Growth of Ornidia obesa (Diptera: Syrphidae) Larvae on decomposing coffee pulp

Gerardo Lardé
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引用次数: 16

Abstract

Newly-hatched larvae of the green hover fly Ornidia obesa (Diptera: Syrphidae) were allowed to grow on coffee pulp that had started to decompose for two days and taken from the anaerobic portion of a heap. This substrate was maintained in Petri dishes at room conditions (25 ± 5°C, 43·0 ± 12.9% air relative humidity) so as to obtain a better understanding about the larval growth of the above species on coffee pulp. A sigmoid model indicated that the maximum larval growth rate was 16·8 mg (wet basis) day−1 at 13·9 days after hatching, that the period of most rapid growth was 10·0–18·9 days and that the larvae reached almost their full development 25 days after they emerged from eggs. It was also found that a comparatively slight decrease of substrate moisture caused a lowering of larval weight.

焦斑鸟(双翅目:食蚜科)幼虫在分解咖啡浆上的生长
新孵化的绿色悬停蝇Ornidia obesa(双翅目:蚜蝇科)的幼虫被允许在已经开始分解的咖啡浆上生长两天,这些咖啡浆是从一堆厌氧部分中提取的。在室内条件下(25±5°C,空气相对湿度43.0±12.9%),将该底物置于培养皿中,以便更好地了解上述物种在咖啡果肉上的幼虫生长情况。s型模型表明,在孵化后13.9 d,幼虫的最大生长率为16.8 mg(湿基)day−1,生长最快的时期为10·0 ~ 18·9 d,出卵后25 d基本发育完全。基质水分较轻微的降低也会降低幼虫的体重。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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