昆蟲的天敵 的英文怎麼說
中文拼音 [kūnchóngdetiāndí]
昆蟲的天敵
英文
natural enemies of insects-
Giving full play to insect enemies in biological control
關于天敵昆蟲利用保護的幾個問題Staphylinidae is one of the largest family in coleoptera, they occupy a wide variety of habitats and have a wide range of food - habits. they are essentially carnivorous ( insect feeder ), but some groups have become evolved as mycophagous, coprophagous, coprophagous, carpophagous, pollinophagous and so on. some species have adapted to a parasitism of mammals
隱翅蟲是一類廣泛分佈於農田、森林和山區的鞘翅目昆蟲，它們生境多樣，有的為肉食性種類，是捕食農林害蟲的重要天敵，也有藥用種類和衛生害蟲，還有取食動植物有機殘體、促進自然界物質循環、保持生態平衡的種類，與人類的關系密切，是一類不可忽視的自然資源。Transgenic bt cotton mainly affect high - instar larvae by retarding the growth and intering the proceeding of ecdysis, pupation, and eclosion. the growth retardation leads to the postponement of growth period duration ( the showed that growth period duration prolonged 17 days ). feeding the larvae with the tissue of the transgenic bt cotton and the moths with the flower of transgenic bt cotton, the number of eggs and hatching rate decreased obverviously
轉基因藥防田中，天敵昆亞群落的個體數占整個昆蟲群落總個體數的10 . 0 % ，其優勢種為蜘蛛類、七星瓢蟲（ coceinellas叩te即uneitatalinnaeus ） 、龜紋瓢蟲（ prol ， laea少只ponjcagoeze ） 、大眼蟬長蜷（ prqp . ylaeajaponicagoeze ）和草嶺（助rys叩asepre即unetatawesmael ） 。In the whole insect community, the pests that have been defined include 63 species, which hold the 17. 07 % of whole community. the natural enemies ( including predacity and parasitical enemy ) include 79 species, which hold the 21. 41 % of the whole community
在整個昆蟲群落中，己明確為害蟲的有63種，占整個群落的17 . 07 ；天敵（包括捕食性天敵與寄生性天敵） 79種，占整個群落的21 . 41 ；中性昆蟲227種，占整個群落的61 . 52 。According to basic principle and application experience of black light lamp, the trapping lamps were opened out using the principle of wave, color and taste to trap insect pests imago with the electric networks of frequently vibration and high voltages, it can trap many species and amounts of insect pests, reduce amounts of field ovum, greatly reduce insect pests density, save energy, have low lost, little harm to natural enemy and persons and livestock, have remarkable economic, ecological and social efficiency
摘要借鑒黑光燈的基本原理和應用經驗，再配以頻振高壓電網觸殺的頻振式殺蟲燈，誘集的害蟲種類多、數量大，既大幅度降低了田間落卵量，又顯著減少了蟲口密度；節能省電，成本低；葉昆蟲天敵殺傷力較小，對人畜安全，不污染環境，具有顯著的經濟、生態和社會效益。As predators, they are generally beneficial for biocontrol projects
作為捕食性天敵昆蟲，它們在生物防治工作中具有重要的作用。The research result is following : the annual species richness index of studied forest plant community averaged 64. 688, the species diversity index was 2. 982. the proportion of every functional group of forest plant community is : herbaceous layer ( average is 68. 89 % ) > tall tree layer ( average is 15. 266 % ) > shrub layer. ( average is 15. 845 % ) the proportion of every functional group in forest insect communities is remarkably different, and the order of the proportion is herbivorous insect group ( average 0. 729 ) > predatory natural enemy insect group ( average 0. 136 ) > parasitical insect group ( average 0. 135 ). with seasonal change, the proportion of herbivorous and predatory insect group decreased obviously, while that of parasitical insect group increased on average by 147 %
研究結果如下：森林植物群落種的全年物種豐富度指數平均為64 . 688種，多樣性指數為2 . 982森林植物群落內各功能類群物種所佔比重依次為：草本層（平均為68 . 89 ） >喬木層（平均為15 . 266 ）灌木層（平均為15 . 845 ） 。森林昆蟲群落中，全年各功能類群所佔比重以植食性昆蟲類群為最大，平均佔0 . 729 ；捕食性昆蟲類群次之，平均佔0 . 136 ；寄生性天敵類群為最小，平均為0 . 135 。1 lady beetles are a natural control for aphids. aphids are tiny insects that develop colonies on plants and eat plant fluids
飄蟲是蚜蟲的天敵，蚜蟲是種棲居在植物上並且吞噬植物的微小的群居昆蟲The results showed that the structures of arthropod communities in transgienic bt cotton fields were different from that in traditional cotton field. the numbers of order, family, species, and the individual number in transgenic bt cotton field were more than that in traditional cotton field
轉基因自控田中，害蟲、天敵及中性昆蟲亞群落的個體數分別占總個體數的87 . 6 % 、 10 . 3 % 、 2 . 1 % ，兩塊轉基因棉田昆蟲群落的構成比例相似，害蟲及天敵亞群落的優勢種相同。This paper described 12 genus, 35 species of coleoptera on their taxonomic stat us, shape features, living habits and occurrence degree in details
文中詳細描述了鞘翅目瓢蟲科19屬35種天敵昆蟲的分類地位、形態特徵，簡述了天敵昆蟲的生活習性、發生程度。Progress on studies of natural enemy insects in apple orchard in china
蘋果園天敵昆蟲群落的空間分佈研究The research result of insect community development indicate : the differences to quantity and richness of pest, natural enemy and whole insect community among experiment sections are distinct. the dynamic uptrend of diversity and evenness indexes between harmless section and general section are analogical, but that of blank section and two manage sections is different
昆蟲群落動態研究結果表明：各試驗區間害蟲、天敵及整個昆蟲群落的數量與豐富度差異明顯，無公害區與常規區各群落多樣性指數、均勻性指數動態變化趨勢一致，空白區與兩處理區多樣性指數、均勻性指數動態變化趨勢差異較大。Some insects have a natural camouflage which hides them from the attack of their enemies
有些昆蟲有一種天然迷彩可以藏匿他們以防止敵人的攻擊。The rates of pest, natural enemy and moderate insect in harmless section are similar with those in blank section, and the rates of pest and natural enemy in harmless section are higher than those in general section
無公害區害蟲、天敵及中性昆蟲的比率與空白區相似，其害蟲與天敵的比率均高於常規區。Some insect have a natural camouflage which hide them from the attack of their enemy
有些昆蟲有一種天然的保護色可以防止敵人的襲擊。Studies on the space distributions of natural enemy insects in apple orchard
我國蘋果害蟲的天敵昆蟲研究概況The authors and investigated the natural enemy insects in apple orchards in henan province from 2000 to 2004 by randomly sampling and fixed - spot observation and colleted 112 kinds of enemy insects in apple orchards of western hanan
摘要從2000 ~ 2004年，對河南省蘋果園天敵昆蟲發生種類進行了大面積踏查和多處定點調查，並對查到的天敵昆蟲進行分類鑒定，初步查明豫西地區蘋果園共有天敵昆蟲112種。分享友人