蛹期幼蟲 的英文怎麼說

中文拼音 [yǒngqīyòuchóng]
蛹期幼蟲 英文
pupated larvae
  • 蛹 : 名詞（完全變態的昆蟲由幼蟲變為成蟲的過渡形態） pupa
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 蟲 : 名詞1. （蟲子） insect; worm 2. （姓氏） a surname
  1. Peculiarities in the silkworm are known to appear at the corresponding caterpillar or cocoon stage.

    蠶體的性狀，亦限於相當的幼蟲期或蛹期出現。
  2. The natural enemies of larvae include spiders, earwigs, wasps, bugs and birds, and pupa ichneumon

    卵和幼蟲期的天敵主要有：蜘蛛、蠼螋、胡蜂、獵蝽、鳥類，蛹期天敵為姬蜂、鳥類。
  3. By investigation on the relationship between period, quantity, extend of ostrinia furnacalis emergence and meteorological factors in qiqihaer, this paper analyzes the factors which effect on period, quantity, extend of ostrinia furnacalis about annual wave. the beginning time of ostrinia furnacalis pupae emergence depends on average temperature in may and june, weather conditions in july decide whether ostrinia furnacalis pupae finish ahead of time ; the beginning time of eclosion is decided by average lowest temperature and precipitation in may and june, and the end time of eclosion is decided by average lowest temperature in june and july, meantime, the length of time of ostrinia furnacalis eclosion and time of grub emergence influence on the extent of ostrinia furnacalis. an important condition of a great emergence of ostrinia furnacalis is that how temperature matchs humidity, which substantially result in reduction of maize output

    本研究項目通過對齊齊哈爾市玉米螟發生期、發生量、發生程度與氣象條件關系的分析，找出玉米螟發生期、發生量、發生程度年際波動的影響因子： 5 、 6月的平均氣溫決定了玉米螟化蛹開始的早晚， 7月的天氣條件決定玉米螟化蛹是否提前結束； 5 、 6月的平均最低氣溫和降水則決定羽化開始的早晚， 6 、 7月的平均最低氣溫又決定了玉米螟羽化結束的早晚；而玉米螟羽化持續時間的長短和幼蟲發生的早晚影響了玉米螟的發生程度；溫濕條件配合適當與否是促使玉米螟大發生的重要條件，玉米螟大發生又會引起玉米的大幅度減產。
  4. Larvae treated with the chemical fail to molt successfully and simply die during the pupal stage

    施放該種化學物后，幼蟲因無法蛻皮而在成蛹期死去。
  5. Natural enemies of hyphantria cunea ( drury ) were investigated in qinhuangdao, hebei province. two parasitoids in larva stage, 12 parasitoids in pupal stage and 2 predators ( coccinella septempunctata and tenodera sinensis ) were found

    摘要通過對美國白蛾各個發育期的天敵進行調查與研究，發現除了捕食性天敵七星瓢蟲、大刀螳螂等外，幼蟲期有2種寄生性天敵、蛹期有12種寄生性天敵，這為保護和利用天敵、有效控制美國白蛾提供了依據。
  6. Female lays its eggs hi mid - june and eggs will hatch in 20 days, larvae feeding on aristolochia kaempferi from late june to mid - september ( about 50 - 55 days ), five instars. from mid - august, larvae become pupae in tree branches or brushes with changeable color based on background

    幼蟲期從六月下旬到九月中旬，幼蟲五齡，歷期50 - 55天，取食異葉馬兜鈴，八月中旬開始老熟幼蟲在灌木、樹枝上化蛹，蛹的顏色隨化蛹時背景顏色變化，九月上旬為化蛹盛期。
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