火眼虫幼虫的抗寒性（鳞翅目：Zygaenidae）

Q3 Agricultural and Biological Sciences

Entomologica Fennica Pub Date : 2019-08-20 DOI:10.33338/EF.84670

Xia‐Lin Zheng, Jun-yan Liu, Zong-You Huang, Ling-Yu Meng, Jun Li, Wen Lu

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引用次数: 4

摘要

本研究的目的是确定火龙Phauda幼虫（鳞翅目：Zygaenidae）的抗寒性。火烈鸟1-6龄幼虫的过冷点在-7.7-13.0°C之间。1龄的致死温度为-8°C，2龄为-5°C，3-6龄为-7°C。1龄、2龄、3龄、4龄和5-6龄在特定致死温度下的致死时间分别为12小时、14小时、15小时、17小时和18小时。所有幼虫在5°C的保温箱中死亡所需的时间为1龄、3龄、4龄和5龄30天，2龄和6龄25天。研究结果表明，火烈鸟是一种不耐寒冷的物种，如果气温降至-5至-8°C持续12-18小时或降至5°C持续25-30天，幼虫就会死亡。然而，这种情况在中国南方不太可能发生。

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Cold hardiness of Phauda flammans (Lepidoptera: Zygaenidae) larvae

This study aimed to determine the cold hardiness of Phauda flammans (Lepidoptera: Zygaenidae) larvae. Supercooling points of the 1st–6th instar larvae of P. flammans ranged from –7.7 to –13.0 °C. The lethal temperatures were –8 °C for 1st, –5 °C for 2nd, and –7 °C for 3rd–6th instars. Lethal times at the instar-specific lethal temperatures were 12 h for 1st, 14 h for 2nd, 15 h for 3rd, 17 h for 4th, and 18 h for 5th–6th instars. The times required for all larvae to die in an incubator at 5 °C were 30 d for 1st, 3rd, 4th, and 5th instars, and 25 d for 2nd and 6th instars. The findings suggest that P. flammans is a chill-intolerant species, and larvae will die if the air temperature decreases to –5 to –8 °C for 12–18 h or to 5 °C for 25–30 d. Such conditions are, however, unlikely to occur in southern China.

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来源期刊

Entomologica Fennica 生物-昆虫学

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Cessation.Information not localized