植物保护
植物保護
식물보호
Plant Protection
2015年
5期
85-87,109
,共4页
异迟眼蕈蚊%发育历期%发育起点温度%有效积温%生命表
異遲眼蕈蚊%髮育歷期%髮育起點溫度%有效積溫%生命錶
이지안심문%발육력기%발육기점온도%유효적온%생명표
Bradysia difformis%developmental duration%developmental threshold temperature%effective ac-cumulative temperature%life table
以韭菜为食物,将异迟眼蕈蚊(Bradysia difformis Frey)在10、15、20、25和30℃等5种恒温条件下饲养,观察温度对异迟眼蕈蚊发育和繁殖的影响。结果显示,异迟眼蕈蚊的发育历期随温度升高而逐渐缩短,在10℃时,卵至蛹的发育历期最长,平均为71.96 d,30℃下,卵至蛹的平均发育历期缩短到16.28 d。卵、幼虫、蛹和卵至蛹的发育起点温度分别为4.04、5.79、8.38和4.97℃,有效积温分别为102.36、218.03、48.57和395.79日·度。成虫寿命随着温度升高而逐渐缩短,雌虫寿命均长于雄虫。单雌产卵量在25℃下最高,为117.25粒,10℃最低,为43.87粒。在10~25℃下,随着温度的升高其内禀增长率逐渐增高,25℃时达到0.2072,4个温度之间存在显著差异。
以韭菜為食物,將異遲眼蕈蚊(Bradysia difformis Frey)在10、15、20、25和30℃等5種恆溫條件下飼養,觀察溫度對異遲眼蕈蚊髮育和繁殖的影響。結果顯示,異遲眼蕈蚊的髮育歷期隨溫度升高而逐漸縮短,在10℃時,卵至蛹的髮育歷期最長,平均為71.96 d,30℃下,卵至蛹的平均髮育歷期縮短到16.28 d。卵、幼蟲、蛹和卵至蛹的髮育起點溫度分彆為4.04、5.79、8.38和4.97℃,有效積溫分彆為102.36、218.03、48.57和395.79日·度。成蟲壽命隨著溫度升高而逐漸縮短,雌蟲壽命均長于雄蟲。單雌產卵量在25℃下最高,為117.25粒,10℃最低,為43.87粒。在10~25℃下,隨著溫度的升高其內稟增長率逐漸增高,25℃時達到0.2072,4箇溫度之間存在顯著差異。
이구채위식물,장이지안심문(Bradysia difformis Frey)재10、15、20、25화30℃등5충항온조건하사양,관찰온도대이지안심문발육화번식적영향。결과현시,이지안심문적발육력기수온도승고이축점축단,재10℃시,란지용적발육력기최장,평균위71.96 d,30℃하,란지용적평균발육력기축단도16.28 d。란、유충、용화란지용적발육기점온도분별위4.04、5.79、8.38화4.97℃,유효적온분별위102.36、218.03、48.57화395.79일·도。성충수명수착온도승고이축점축단,자충수명균장우웅충。단자산란량재25℃하최고,위117.25립,10℃최저,위43.87립。재10~25℃하,수착온도적승고기내품증장솔축점증고,25℃시체도0.2072,4개온도지간존재현저차이。
Bradysia difformis Frey was reared with leek under constant temperatures of 10,1 5,20,25 and 30 ℃to evaluate the effect of temperature on the development and fecundity of B .difformis .The results showed that the developmental duration of B .difformis was progressively shortened with the increase of temperature under 10 ℃,and the developmental duration from egg to pupa was the longest,with an average of 71.96 d,while under 30 ℃,the average developmental duration from egg to pupa shorten to 1 6.28 d.Developmental threshold temperature of eggs,larvae,pupae and eggs-pupae were respectively 4.04,5.79,8.38 and 4.97 ℃,and the effective tempera-tures were respectively 102.36,218.03,48.57 and 395.79 degree-days.Adult lifespans were gradually shortened with the increase of temperature,and female life expectancy was longer than male’s.Fecundity reached the high-est 1 1 7.25 under 25 ℃,but under 10 ℃,it reached the lowest 43.87.In the range of 10 ℃ to 25 ℃,as the tem-perature rose gradually,its intrinsic rate of increase increased,reaching to 0.207 2 under 25 ℃.There were sig-nificant differences between the 4 temperatures.