Comparative Toxicity of Three Fire Ant (Hymenoptera: Formicidae) Venoms to Spodoptera litura Larvae

被引：0

作者：

Lai, Li-Chuan ^{[2
]}

Chang, Yu-Ying ^{[3
]}

Hua, Kuo-Hsun ^{[1
]}

Wu, Wen-Jer ^{[1
,4
]}

Huang, Rong-Nan ^{[1
,4
]}

机构：

[1] Natl Taiwan Univ, Dept Entomol, Taipei 10617, Taiwan

[2] Jen Teh Jr Coll Med Nursing & Management, Miaoli 356, Taiwan

[3] Natl Cent Univ, Dept Life Sci, Tao Yuan 320, Taiwan

[4] Natl Taiwan Univ, Res Ctr Plant Med, Taipei 10617, Taiwan

来源：

SOCIOBIOLOGY | 2010年 / 56卷 / 03期

关键词：

Solenopsis invicta; monogyne; polygyne; Solenopsis geminata; venom; Spodoptera litura; SOLENOPSIS-INVICTA; GENETIC-STRUCTURE; ALKALOIDS; POLYGYNE; IDENTIFICATION; MONOGYNE; POLYMORPHISM; POPULATION; FREQUENCY; COLONIES;

D O I：

暂无

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The toxicity of fire ant venom was evaluated under laboratory conditions against Spodoptera litura larvae, a major pest of cruciferous vegetables throughout the Asia-Pacific region. We compared insecticidal activities of venom from Solenopsis geminata, S. invicta (monogyne form) and S. invicta (polygyne form). The Sp. litura larvae were stung by fire ants once in the dorsal thoracic region. A susceptibility assay demonstrated that three kinds of fire ant venom had high insecticidal activities against Sp. litura larvae. Within a few seconds of being stung by the fire ants, the larvae showed significant contractions and paralysis. The mortalities of venom-treated 8-day-old Sp. litura larvae were 100% (S. geminata stung), 96.67% (monogynous S. invicta stung) and 86.67% (polygnyous S. invicta stung) after 24 h. The susceptibilities of Sp. litura to fire ant venom were as follows: S. geminata > S. invicta (monogyne form) > S. invicta (polygyne form), as evidenced by their LT50 values.

引用

页码：653 / 663

页数：11

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