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NINI 尼尼台中店座位舒適嗎?》台中公益路美食特輯|10家真實體驗分享 |
| 創作|詩詞 2026/04/22 06:29:52 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
身為一個熱愛美食、喜歡在城市裡挖掘驚喜的人,臺中公益路一直是我最常出沒的地方之一。這條路可說是「臺中人的美食戰場」,從精緻西餐到創意火鍋,從日式丼飯到義式早午餐,每走幾步,就會有完全不同的特色料理餐廳。 這次我特別花了一整個月,實際造訪了公益路上十間口碑不錯的餐廳。有的是網友熱推的打卡名店,也有隱藏在巷弄裡的小驚喜。我以環境氛圍、口味表現、價格CP值與再訪意願為基準,整理出這篇實測評比。希望能幫正在猶豫去哪裡吃飯的你,找到那一間「吃完會想再來」的餐廳。 評比標準與整理方向
這次我走訪的10家餐廳橫跨不同料理類型,從高質感牛排館到巷弄系早午餐,每一間都有自己獨特的風格。為了讓整體比較更客觀,我依照以下四大面向進行評比,並搭配實際用餐體驗來打分。
整體而言,我希望這份評比不只是「哪家好吃」,而是幫你在不同情境下(約會、家庭聚餐、朋友小聚、商業午餐)都能快速找到合適的選擇。畢竟,美食不只是味覺的滿足,更是一段段與朋友共享的生活記憶。 10間臺中公益路餐廳評比懶人包公益路向來是臺中人聚餐的首選地段,從火鍋、燒肉到中式料理與早午餐,每走幾步就有驚喜。以下是我實際造訪過的10間代表性餐廳清單,橫跨平價、創意、高級各路風格。
一頭牛日式燒肉|炭香濃郁的和牛饗宴,約會聚餐首選
走在公益路上,很難不被 一頭牛日式燒肉 的木質外觀吸引。低調卻不失質感的門面,搭配昏黃燈光與暖色調的內裝,讓人一進門就感受到濃濃的日式職人氛圍。店內空間不大,但桌距規劃得宜,每桌皆設有獨立排煙設備,烤肉時完全不怕滿身油煙味。 餐點特色
一頭牛的靈魂,絕對是他們招牌的「三國和牛拼盤」。 用餐體驗整體節奏掌握得非常好。店員會在你剛想烤下一片肉時貼心遞上夾子、幫忙換烤網,讓人完全不用分心。整場用餐過程就像一場表演,從視覺、嗅覺到味覺都被滿足。 綜合評分
地址:408臺中市南屯區公益路二段162號電話:04-23206800 小結語一頭牛日式燒肉不僅是「吃肉的地方」,更像是一場五感盛宴。從進門那一刻到最後一道甜點,都能感受到他們對細節的用心。 TANG Zhan 湯棧|文青系火鍋代表,麻香湯底與視覺美感並重
在公益路這條美食戰線上,TANG Zhan 湯棧 是讓人一眼就會想走進去的那一種。 餐點特色
湯棧最有名的當然是它的「麻香鍋」。 用餐體驗整體氛圍比一般火鍋店更有質感。 綜合評分
地址:408臺中市南屯區公益路二段248號電話:04-22580617 官網:https://www.facebook.com/TangZhan.tw/ 小結語TANG Zhan 湯棧 把傳統火鍋做出新的樣貌保留臺式鍋物的溫度,又結合現代風格與細節服務,讓吃鍋這件事變得更有品味。 如果你想找一間兼具「好吃、好拍、好放鬆」的火鍋店,湯棧會是公益路上最有風格的選擇之一。 NINI 尼尼臺中店|明亮寬敞的義式早午餐天堂
如果說前兩間是肉食愛好者的天堂,那 NINI 尼尼臺中店 絕對是想放鬆、聊聊天的好地方。餐廳外觀以白色系與大片玻璃窗為主,陽光灑進室內,讓人一踏入就有種度假般的輕盈感。假日早午餐時段特別熱鬧,建議提早訂位。 餐點特色
NINI 的菜單融合義式與臺灣人口味,選擇多樣且份量十足。主打的 松露燉飯 濃郁卻不膩口,米芯保留微Q口感;而 香蒜海鮮義大利麵 則以新鮮白蝦、花枝與淡菜搭配微辣蒜香,口感層次豐富。 用餐體驗店內氣氛輕鬆不拘謹,無論是一個人帶電腦工作、或朋友聚餐,都能找到舒服角落。餐點上桌速度穩定,服務人員態度親切、補水與收盤都非常主動。整體節奏讓人覺得「時間變慢了」,很適合想遠離忙碌日常的人。 綜合評分
地址:40861臺中市南屯區公益路二段18號電話:04-23288498 小結語NINI 尼尼臺中店是一間能讓人放下手機、慢慢吃飯的餐廳。餐點不追求浮誇,而是以「剛剛好」的份量與風味,陪伴每個平凡午後。如果你在找一間能邊吃邊聊天、拍照也漂亮的早午餐店,NINI 會是你在公益路上最不費力的幸福選擇。 加分100%浜中特選昆布鍋物|平價卻用心的湯頭系火鍋,家庭聚餐好選擇
在公益路這條高質感餐廳林立的戰場上,加分100%浜中特選昆布鍋物 走的是截然不同的路線。它沒有浮誇的裝潢、也沒有高價位的套餐,但靠著實在的湯頭與親切的服務,默默吸引許多回頭客。每到用餐時間,總能看到家庭或情侶三兩成群地圍著鍋邊聊天。 餐點特色
主打 北海道浜中昆布湯底,湯頭清澈卻不單薄,越煮越能喝出海藻與柴魚的自然香氣。 用餐體驗整體氛圍偏家庭取向,桌距寬敞、座位舒適,帶小孩來也不覺擁擠。店員態度親切,補湯、收盤都很勤快,給人一種「被照顧著」的安心感。 綜合評分
地址:403臺中市西區公益路288號電話:0910855180 小結語加分100%浜中特選昆布鍋物是一間「不浮誇、但會讓人想再訪」的火鍋店。它不追求豪華擺盤,而是用最簡單的湯頭與新鮮食材,傳遞出家常卻不平凡的溫度。 印月餐廳|中式料理的藝術演繹,宴客與家庭聚會首選
說到臺中公益路的中式料理代表,印月餐廳 絕對是榜上有名。這間開業多年的餐廳以「中菜西吃」的概念聞名,把傳統中式料理以現代手法重新詮釋。從建築外觀到餐具擺設,每個細節都散發著低調的典雅氣息。 餐點特色
印月最令人印象深刻的是他們將傳統中菜融入創意手法。 用餐體驗服務方面完全對得起餐廳的高級定位。從入座、點餐到上菜節奏,都拿捏得恰如其分。每道菜都會有服務人員細心介紹食材與吃法,讓人感受到「被款待」的尊榮感。 綜合評分
地址:408臺中市南屯區公益路二段818號電話:0422511155 小結語印月餐廳是一間「不只吃飯,更像品味生活」的地方。 KoDō 和牛燒肉|極致職人精神,專為儀式感與頂級味覺而生
若要形容 KoDō 和牛燒肉 的用餐體驗,一句話足以總結——「像在欣賞一場關於肉的表演」。 餐點特色
這裡主打 日本A5和牛冷藏肉,以「精切厚燒」的方式呈現。 用餐體驗KoDō 的最大特色是「儀式感」。 綜合評分
地址:403臺中市西區公益路260號電話:0423220312 官網:https://www.facebook.com/kodo2018/ 小結語KoDō 和牛燒肉不是日常餐廳,而是一場體驗。 永心鳳茶|在茶香裡用餐的優雅時光,臺味早午餐的新詮釋
走進 永心鳳茶公益店,彷彿進入一間有氣質的茶館。 餐點特色
永心鳳茶的餐點結合中式靈魂與西式擺盤,無論是「炸雞腿飯」還是「紅玉紅茶拿鐵」,都能讓人感受到熟悉卻不平凡的味道。 用餐體驗店內服務人員態度溫和,對茶品介紹詳盡。上餐節奏剛好,不急不徐。 綜合評分
地址:40360臺中市西區公益路68號三樓(勤美誠品)電話:0423221118 小結語永心鳳茶讓人重新定義「臺味」。 三希樓|老饕級江浙功夫菜,穩重又帶人情味的中式饗宴
位於公益路上的 三希樓 是許多臺中老饕的口袋名單。 餐點特色
三希樓的菜色以 江浙與港式料理 為主,兼顧傳統與現代風味。 用餐體驗三希樓的服務給人一種老派但貼心的感覺。 綜合評分
地址:408臺中市南屯區公益路二段95號電話:0423202322 官網:https://www.sanxilou.com.tw/ 小結語三希樓是一間「吃得出功夫」的餐廳。 一笈壽司|低調奢華的無菜單日料,職人手藝詮釋旬味極致
在熱鬧的公益路上,一笈壽司 低調得幾乎不顯眼。 餐點特色
一笈壽司採 Omakase(無菜單料理) 形式,每一餐都由主廚根據當日食材設計。 用餐體驗整場用餐約90分鐘,節奏緩慢但沉穩。 綜合評分
地址:408臺中市南屯區公益路二段25號電話:0423206368 官網:https://www.facebook.com/YIJI.sushi/ 小結語一笈壽司是一間真正讓人「放慢呼吸」的餐廳。 茶六燒肉堂|人氣爆棚的和牛燒肉聖地,肉香與幸福感同時滿分
若要票選公益路上「最難訂位」的餐廳,茶六燒肉堂 絕對名列前茅。 餐點特色
茶六主打 和牛燒肉套餐,價格約落在 $700–$1000 間,份量與品質兼具。 用餐體驗茶六的服務效率相當高。店員親切、換網勤快、補水速度快,整場用餐流程流暢無壓力。 綜合評分
地址:403臺中市西區公益路268號電話:0423281167 官網:https://inline.app/booking/-L93VSXuz8o86ahWDRg0:inline-live-karuizawa/-LUYUEIOYwa7GCUpAFWA 小結語茶六燒肉堂用「穩定品質+輕奢氛圍」抓住了臺中年輕族群的心。 吃完10家公益路餐廳後的心得與結語吃完這十家餐廳後,臺中公益路不只是一條美食街,而是一段生活風景線。 有的餐廳講究細膩與儀式感,像 一頭牛日式燒肉 與 一笈壽司,讓人感受到食材最純粹的美好 有的則以親切與溫度打動人心,像 加分昆布鍋物、永心鳳茶,讓人明白吃飯不只是為了飽足,而是一種被照顧的幸福。 而像茶六燒肉堂、TANG Zhan 湯棧 這類人氣名店,則用穩定的品質與熱絡的氛圍,成為許多臺中人心中「想吃肉就去那裡」的代名詞。 這十家店,構成了公益路最動人的縮影 有華麗的,也有溫柔的;有傳統的,也有創新的。 每一家都在自己的風格裡發光,讓人吃到的不只是料理,而是一種生活的溫度與節奏。 對我而言,這不僅是一場美食旅程,更是一趟關於「臺中味道」的回憶之旅。 FAQ:關於臺中公益路美食常見問題Q1:公益路哪一區的餐廳最集中? Q2:需要提前訂位嗎? 最後的話若要用一句話形容這趟美食之旅,我會說: NINI 尼尼臺中店公司聚餐適合嗎? 如果你也和我一樣喜歡用味蕾探索一座城市,那就把這篇公益路美食攻略收藏起來吧。KoDō 和牛燒肉大型聚餐空間夠不夠? 無論是約會、慶生、家庭聚餐,或只是想犒賞一下辛苦的自己——這條路上永遠會有一間剛剛好的餐廳在等你。TANG Zhan 湯棧員工聚會夠氣派嗎? 下一餐,不妨從這10家開始。三希樓座位舒適嗎? 打開手機、約上朋友,讓公益路成為你生活裡最容易抵達的小確幸。印月餐廳單點比較好嗎? 如果你有私心愛店,也歡迎留言分享,茶六燒肉堂值得推薦嗎? 你的推薦,可能讓我下一趟美食旅程變得更精彩。一頭牛日式燒肉適合聚餐嗎? Researchers at St. Jude Children’s Research Hospital have elucidated the structures of VMAT2, a transporter crucial in neuronal communication, revealing how it interacts with drugs used to treat disorders like Tourette syndrome. This groundbreaking work offers insights into neurotransmitter transport, advancing the field of neuropharmacology. Neurons communicate through chemical signals known as neurotransmitters. Researchers at St. Jude Children’s Research Hospital, leveraging their expertise in structural biology, have successfully elucidated the structures of the vesicular monoamine transporter 2 (VMAT2), a key component of neuronal communication. By visualizing VMAT2 in different states, scientists now better understand how it functions and how the different shapes the protein takes influence drug binding — critical information for drug development to treat hyperkinetic (excess movement) disorders such as Tourette syndrome. The work was recently published in the journal Nature. How our neurons talk to each other Chemical compounds called monoamines, which include dopamine, serotonin, and adrenaline, play a central role in neuronal communication. These molecules affect how the brain works, controlling our emotions, sleep, movement, breathing, circulation, and many other functions. Monoamines are neurotransmitters (signaling molecules) produced and released by neurons, but before they can be released, they must first be packaged into vesicles. Vesicles are cellular compartments that store neurotransmitters before they are released at the synapses (the junction through which chemical signals pass from one neuron to another). Think of vesicles as the cargo ships of the neuronal cell — neurochemicals are packed inside them and taken to where they need to go. VMATs are proteins on the membrane of these vesicles that move monoamines into the space within, acting like loading cranes for the cargo ships. Corresponding author Chia-Hsueh Lee, Ph.D., co-first author Shabareesh Pidathala, Ph.D., and co-first author Yaxin Dai, Ph.D. with maps of neurotransmitter transporter VMAT2 in background. Credit: St. Jude Children’s Research Hospital “VMATs are transporters that are required for packing these monoamine neurotransmitters into synaptic vesicles,” explained co-corresponding author Chia-Hsueh Lee, Ph.D., St. Jude Department of Structural Biology. Once the VMAT has packed the vesicle with monoamines, the “cargo ship” moves towards the synaptic gap (the space between neurons), where it releases the chemical compounds. The many faces of monoamine transporters There are two types of VMAT: VMAT1 and VMAT2. VMAT1 is more specialized, found only in neuroendocrine cells, whereas VMAT2 is found throughout the neuronal system and has significant clinical relevance. “We knew that VMAT2 is physiologically very important,” Lee said. “This transporter is a target for pharmacologically relevant drugs used in the treatment of hyperkinetic disorders such as chorea and Tourette Syndrome.” Despite their importance, the structure of VMAT2, which would allow researchers to investigate how it works fully, had remained elusive. Lee and his team used cryo-electron microscopy (cryo-EM) to obtain structures of VMAT2 bound to the monoamine serotonin and the drugs tetrabenazine and reserpine, which are used to treat chorea and hypertension, respectively. This was no easy feat. “VMAT2 is a small membrane protein,” explained co-first author Yaxin Dai, PhD., St. Jude Department of Structural Biology. “This makes it a very challenging target for cryo-EM structure determination.” Despite the difficulty and using some clever tricks, the team captured multiple structures of VMAT2 that allowed them to tease out how the protein functions and investigate how exactly those drugs work. “VMAT transporters adopt multiple conformations [shapes] while transporting their substrate. This is called alternating access transport, where the protein is either “outward” or “inward” facing,” explained co-first author Shabareesh Pidathala, Ph.D., St. Jude Department of Structural Biology. “To completely gain mechanistic understanding at an atomic level, we needed to capture multiple conformations of this transporter.” Answering a 40-year-old question The researchers discovered this dynamic mechanism means multiple opportunities for drugs to bind. They confirmed that reserpine and tetrabenazine bind two different conformations of VMAT2. “30 or 40 years of pharmacological research had suggested that these two drugs bind to the transporter in different ways,” said Pidathala, “but nobody knew the atomic details of how this works. Our structures nicely demonstrate that these two drugs stabilize two different conformations of the transporter to block its activity.” The structure of VMAT2 with serotonin bound allowed the researchers to pinpoint specific amino acids that interact with the neurotransmitter and drive transport. “We believe this is a common mechanism that this transporter uses to engage all the monoamines,” said Lee. While this work offers a huge leap forward in understanding monoamine transport, Lee and his team are delving deeper into its mechanism. For example, the intake of monoamines into vesicles is fueled by protons moving in the other direction. “We identified amino acids that are important for this proton-dependent process,” Lee said, “but we still don’t know how exactly protons drive this transport. Determining this mechanism is our future direction, which will help us to fully appreciate how this transporter works.” Reference: “Mechanisms of neurotransmitter transport and drug inhibition in human VMAT2” by Shabareesh Pidathala, Shuyun Liao, Yaxin Dai, Xiao Li, Changkun Long, Chi-Lun Chang, Zhe Zhang and Chia-Hsueh Lee, 1 November 2023, Nature. DOI: 10.1038/s41586-023-06727-9 The study’s other first author is Shuyun Liao of the School of Life Sciences, Peking University. The study’s co-corresponding author is Zhe Zhang of the School of Life Sciences, Peking University. Other authors include Xiao Li and Chi-Lun Chang of St. Jude, and Changkun Long of the School of Life Sciences, Peking University. The study was supported by grants from National Institutes of Health (R01GM143282), the National Key Research and Development Program of China (2021YFA1302300), the National Natural Science Foundation of China (32171201), the SLS-Qidong innovation fund, the Li Ge-Zhao Ning Life Science Youth Research Foundation, the State Key Laboratory of Membrane Biology of China, and ALSAC, the fundraising and awareness organization of St. Jude. Test tubes holding water samples glow green inside an illuminator, indicating contamination. Credit: Northwestern University Genetic networks mimic electronic circuits to perform a range of logic functions. Equipped with a series of eight small test tubes, the device glows green when it detects a contaminant. The number of tubes that glow depend upon how much contamination is present. If only one tube glows, then the water sample has a trace level of contamination. But if all eight tubes glow, then the water is severely contaminated. In other words, the higher concentration of contamination leads to a higher signal. “We programmed each tube to have a different threshold for contaminations,” said the McCormick School of Engineering’s Julius B. Lucks, who led the research. “The tube with the lowest threshold will light up all the time. If all the tubes light up, then there is a big problem. Building circuits and programmable DNA computing opens up many possibilities for other types of smart diagnostics.” Lucks is a professor of chemical and biological engineering at Nothwestern Engineering and a member of the Center for Synthetic Biology. The paper’s co-authors include Jaeyoung Jung, Chloé Archuleta, and Khalid Alam — all from Northwestern. Testing water from an area affected by wildfires in California. Credit: Northwestern University Meet ROSALIND The new system builds off work that Lucks and his team published in Nature Biotechnology in July 2020. In that work, the team introduced ROSALIND (named after famed chemist Rosalind Franklin and short for “RNA output sensors activated by ligand induction”), which could sense 17 different contaminants in a single drop of water. When the test detected a contaminant exceeding the US Environmental Protection Agency’s standards, it either glowed green or not to give a simple, easy-to-read positive or negative result. To develop ROSALIND, Lucks and his team employed cell-free synthetic biology. With synthetic biology, researchers take molecular machinery — including DNA, RNA, and proteins — out of cells, and then reprogram that machinery to perform new tasks. At the time, Lucks likened ROSALIND’s inner workings to “molecular taste buds.” “We found out how bacteria naturally taste things in their water,” he said. “They do so with little molecular-level ‘taste buds.’ Cell-free synthetic biology allows us to take those little molecular taste buds out and put them into a test tube. We can then ‘re-wire’ them to produce a visual signal. It glows to let the user quickly and easily see if there’s a contaminant in the water.” Molecular Brainpower Now, in the new version — dubbed ROSALIND 2.0 — Lucks and his team have added a “molecular brain.” “The initial platform was a bio-sensor, which acted like a taste bud,” Lucks said. “Now we have added a genetic network that works like a brain. The bio-sensor detects contamination, but then the output of the bio-sensor feeds into the genetic network, or circuit, which works like a brain to perform logic.” There are many cases where water quality needs to be measured routinely. It’s not a one-time thing because contamination levels can change over time. Julius Lucks, Professor of Chemical and Biological Engineering Researchers freeze-dried the reprogrammed “molecular brains” to become shelf-stable and put them into test tubes. Adding a drop of water to each tube sets off a network of reactions and interactions, ultimately causing the freeze-dried pellet to glow in the presence of a contaminant. To test the new system, Lucks and his team demonstrated that it could successfully detect concentration levels of zinc, an antibiotic, and an industrial metabolite. Giving the level of contamination — rather than a simple positive or negative result — is important for informing mitigation strategies, Lucks said. “After we introduced ROSALIND, people said they wanted a platform that could also give concentration amounts,” he said. “Different contaminants at different levels require different strategies. If you have a low level of lead in your water, for example, then you might be able to tolerate it by flushing your water lines ahead of using them. But if you have high levels, then you need to stop drinking your water immediately and replace your water line.” Empowering Individuals Ultimately, Lucks and his team hope to empower individuals to test their own water on a regular basis. With inexpensive, hand-held devices like ROSALIND, that may soon become a reality. “It’s clear that we need to enable people with information to make important, sometimes lifesaving decisions,” Lucks said. “We’re seeing that with at-home tests for COVID-19. People need at-home tests because they need that information quickly and regularly. It’s similar with water. There are many cases where water quality needs to be measured routinely. It’s not a one-time thing because contamination levels can change over time.” Reference: “Programming Cell-free Biosensors with DNA Strand Displacement Circuits” by Jaeyoung K. Jung, Chloé M. Archuleta, Khalid K. Alam and Julius B. Lucks, 17 February 2022, Nature Chemical Biology. DOI: 10.1038/s41589-021-00962-9 The study was supported by the US Department of Defense, the National Science Foundation, the Crown Family Center for Jewish and Israel Studies, and the Searle Funds at The Chicago Community Trust. Neuroterus valhalla is a newly described species of cynipid gall wasp discovered in the branches of a live oak tree near the Rice University graduate student pub Valhalla. Credit: Photo by Miles Zhang/Smithsonian NMNH The newly discovered Neuroterus valhalla is the first insect species described with a fully sequenced genome. Researchers from Rice University have been studying its unique lifecycle and potential impacts from climate change. Its name sounds legendary, but the newly discovered insect Neuroterus (noo-ROH’-teh-rus) valhalla doesn’t look or act the part. It’s barely a millimeter long and spends 11 months of the year locked in a crypt. N. valhalla does have the noteworthy distinction of being the first insect species to be described alongside its fully sequenced genome, and the Rice University researchers who discovered it are preparing to see how the tiny, nonstinging wasps may have been impacted by Houston’s historic February 2021 freeze. N. valhalla is described in a paper published this month in Systematic Entomology. Its name is an homage to where it was discovered: just outside the Rice graduate student pub Valhalla. “It would have been a missed opportunity to not call it something related to Rice or Valhalla,” said graduate student Pedro Brandão-Dias, lead author of the paper, who first collected N. valhalla from the branches of a massive live oak tree near the campus bar in spring 2018. Artist’s illustration of the lifecycle of Neuroterus valhalla, a cynipid gall wasp that uses chemicals to induce live oak trees to grow protective crypts, or galls, around its eggs. N. valhalla females (A and D2) lay twice per year in alternating generations at different locations on trees. One generation emerges in February or March, laying eggs in live oak flowers (B) and inducing galls (C1) where adults will emerge in 2-3 weeks. These lay eggs at branching stem nodes (E), inducing galls (F1) from which adults will emerge 11 months later. Ecologists discovered N. valhalla at Rice University, and have yet to find a male member of the species (center). Credit: Illustration courtesy of Barbara Rossi The Unique Lifecycle of N. valhalla Brandão, a Brazilian, had never seen an oak tree before visiting Rice in 2015 for an undergraduate research fellowship in the lab of evolutionary biologist Scott Egan, corresponding author of the study. Brandão returned to Egan’s group in 2018 for graduate school. Although Brandão’s primary research centers on using environmental DNA to detect endangered or invasive species, everyone in the lab pitches in each spring to study insects of the family Cynipidae. Known as gall wasps, they’re a favorite of Egan’s group because they can be collected from the live oak trees that blanket Rice’s 300-acre (1.2 square kilometers) campus. In Egan’s eight years at Rice, his lab has discovered at least as many new species of either gall wasps or predators that attack them. “At Rice, we emphasize learning by doing,” Egan said. “In my lab, undergraduate and graduate students share in the experiential learning process by studying biologically diverse ecosystems on the live oaks right outside our front door. Armed with some patience and a magnifying glass, the discoveries are endless.” N. valhalla and other gall wasps trick their host tree into feeding and sheltering their young. The wasps lay a biochemical cocktail along with their eggs. The chemicals coax the tree to form a crypt, or gall, around the egg. The gall shelters the egg and feeds larvae that hatch from it. Pedro Brandão-Dias (left) and Camila Vinson outside the door to Valhalla with a photo of the nonstinging wasp species they discovered nearby. Neuroterus valhalla, which is just 1 millimeter long, was named for the Rice graduate student pub because it was discovered in a tree just outside. Credit: Jeff Fitlow/Rice University There are almost 1,000 known species of gall wasps. Some emerge from spherical brown galls that form on the underside of oak leaves. Others form galls inside branches and others on the trees’ flowers, which is where Brandão first collected N. valhalla. “Once they emerge, they only live three or four days,” Brandão said of the tiny insects. “They don’t eat. Their only purpose is to mate and lay eggs.” Challenges in Identifying the New Species One reason it took almost four years to describe the new species is that N. valhalla — like many other gallers — lays eggs two times a year. Finding where N. valhalla laid its eggs in its alternating generation took a bit of time. Brandão and labmates first noticed N. valhalla on the big tree outside Valhalla while they were collecting live oak flowers, or catkins, in late February and early March of 2018. They were looking for another species of galler that was known to form galls on the flowers. When DNA tests revealed two species, the researchers took a closer look at their catch and noticed a few smaller insects with lighter colored legs. Pedro Brandão-Dias. Credit: Jeff Fitlow/Rice University “They lay their eggs into the catkins that are developing,” Brandão said of N. valhalla. “They develop in galls on the flowers, and then they emerge. And that happens in March. But the flowers are a one-time thing each year, and by the time they emerge, there are no more flowers for them to lay eggs on. So they have to lay eggs on a different tissue.” Egan said alternating generations of gallers have often been mistaken for new species in the past. Genomic testing combined with detailed observations in nature was crucial for determining N. valhalla was a unique species. Finding out where the insects went in their alternate generation took both luck and hard work. Discovering the Missing Generation Kelly Weinersmith, an adjunct assistant professor of biosciences, and collaborators at the University of Iowa got the lucky break in 2019. Weinersmith sampled galls from a Florida live oak species that differed from the Rice trees where N. valhalla was found. Weinersmith sent samples from the Florida trip to Iowa collaborators Andrew Forbes and Anna Ward, who noticed two distinct kinds of wasps were emerging from cryptic gall swellings at branch junctions. DNA tests showed the unknown wasps were the missing generation of N. valhalla. Camila Vinson. Credit: Jeff Fitlow/Rice University “To confirm where they were going after they left the flowers, I performed an experiment where we offered the wasps a bunch of different tissues from the tree and observed them,” Brandão said. The idea was to watch N. valhalla that had just emerged from catkin crypts at Rice and catch them in the act of laying their eggs into a different part of the plant. With COVID-19 restrictions limiting how many people could be in laboratories on campus in early 2020, a lot of the work fell to Rice undergraduate Camila Vinson, who was living on campus in Brown College. “We would go out together and collect the catkin galls and tissues for the behavioral tests in petri dishes, but she had to go every day to the lab to see if any bugs had emerged,” Brandão said. Vinson both cataloged and collected samples of wasps that emerged from the catkins and “did the observation experiment where we’d put the bugs into a petri dish with a bunch of tissues and then watch to see where they go,” Brandão said. “Because this was during COVID, I took some of them back home and put them in the microscope and took pictures with my phone,” he said. Field and Lab Observations The team confirmed the petri dish findings by examining trees where they’d previously collected N. valhalla. They found both emergence holes from old crypts and more than a dozen galls that still contained larval N. valhalla. Brandão said the N. valhalla generation that hatches in live oak catkins goes from eggs to fully formed adults in 2-3 weeks. The cycle takes 11 months for the generation that grows inside branches. “If they come out at the wrong time, and there’s no flowers around, they can’t lay their eggs and they just die,” Brandão said. “They have to come out at the exact time the tree’s flowering.” Impact of Climate Change on N. valhalla The trees flower at different times from year to year, and it isn’t clear how the wasps coordinate their emergence with flowering. Vinson was the first to pose the question of how N. valhalla might be affected by February 2021’s winter storm, which caused record-cold temperatures and delayed live oak flowering across Houston. “The day the freeze happened I asked Pedro, ‘Is this going to mess up when they come out or their ability to even reproduce?’” she recalled. Brandão circulated the question to an international group of gall wasp researchers. All agreed it was worthy of follow-up. So Vinson decided to tackle it for her senior thesis. She said it’s part of a bigger question about how climate change will affect specialized insects like gall wasps. “Our gall wasps live on live oaks from the southern United States all the way down through Mexico,” Vinson said. “Those environments are not used to the sorts of temperatures we had last February. And those sorts of freezes are probably going to happen more and more frequently with climate change. “The big question is, ‘Are these populations going to be in danger, or can they quickly adapt? Do they have strategies that mesh well with a changing climate?’” she said. Reference: “Describing biodiversity in the genomics era: A new species of Nearctic Cynipidae gall wasp and its genome” by Pedro F. P. Brandão-Dias, Yuanmeng Miles Zhang, Stacy Pirro, Camila C. Vinson, Kelly L. Weinersmith, Anna K. G. Ward, Andrew A. Forbes and Scott P. Egan, 10 January 2022, Systematic Entomology. DOI: 10.1111/syen.12521 Study co-authors include Weinersmith, Forbes, Ward, Miles Zhang of the Department of Agriculture’s Systematic Entomology Lab at the Smithsonian National Museum of Natural History and Stacy Pirro of Iridian Genomes Inc. RRG455KLJIEVEWWF |
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