Effect of ivermectin on the life cycle and larval fat body of Culex quinquefasciatus

被引：21
作者：
Alves, SN
Serrao, JE [1 ]
Mocelin, G
de Melo, AL
机构：
[1] Univ Fed Vicosa, Dept Biol Geral, BR-36570000 Vicosa, MG, Brazil
[2] Univ Fed Vicosa, Dept Biol Anim, Programa Pos Grad Entomol, BR-36570 Vicosa, MG, Brazil
[3] Univ Fed Minas Gerais, Inst Ciencias Biol, Dept Parasitol, Belo Horizonte, MG, Brazil
来源：
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY | 2004年 / 47卷 / 03期
关键词：
Diptera; fat body; insecticide; mosquito; reproductive biology;
D O I：
10.1590/S1516-89132004000300014
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The present work investigated the behavior, survival rate and lethal effect of 1.5 ppb ivermectin on Culex quinquefasciatus larvae, based on morphological and biological parameters, and possible alterations of their fat body. Changes in the number of eggs/egg mass and length of the larval stage were investigated. For this experiment, 600 larvae of 3(rd) and 4(th) instars of the mosquito were tested. The laid eggs were separated and the hatched larvae were counted. Some larvae submitted to 1.5 ppb ivermectin solution were used to prepare samples for histological study. Results obtained showed that ivermectin in a concentration of 1.5 ppb caused paralysis to the larvae with a mortality rate of 73.38%, mobilization of substances stored in the fat body and reduction of the number of egg laid in the adult stage.
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收藏
页码：433 / 439
页数：7
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