An observation study on biological characters and mating behavior of Dahurian casebearer (Coleophora dahurica Flkv.) adults |
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Authors: | Dai Huaguo Song Xiaoling Li Jianlong |
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Institution: | (1) Dept. of plant protection, Nanjing Agricultural University, 210014 Nanjing, China;(2) Northeast Forestry University, China |
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Abstract: | Through rearing tests and observations under laboratory conditions, biological characters and mating behavior of Dahurian
casebearer (Coleophora dahurica Flkv.) adults were studied in this paper. Results discovered that the time of emergense of male adults was 24h to 36h earlier
than that of female adults. The peak of sex pheromone secretion of the female adults appeared of 24h to 42h after the emergence.
The reaction of male adults on the sex pheromone was most sensitive during 30h to 48h after emerged, so the earlier emergence
of the male adults was favorable to mating. The phenomenon of repeated mating did not exist in female adults, but the male
adults could mate for several times, with maximum of 4 times. There was a definite behavioral reaction during the mating period
of male and female adults, and the certain period of feeding and mating times could affect the adults longervity to a certain
degree. |
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Keywords: | Dahurian casebearer Adults Biological characters Mating behavior |
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