Yegorenkova Ekaterina, Yefremova Zoya
Department of Geography, Ulyanovsk State Pedagogical University, Ulyanovsk, 432700, Russia.
Zookeys. 2012(214):75-89. doi: 10.3897/zookeys.214.3266. Epub 2012 Aug 7.
The larval instars of Pnigalio gyamiensis Myartseva and Kurashev are described in detail for the first time. This species is a larval-pupal ectoparasitoid of Chrysoesthia sexguttella (Thunberg) (Lepidoptera, Gelechiidae), which forms leaf mines in the plant Chenopodium album L. (Caryophyllales: Amaranthaceae). The female of Pnigalio gyamiensis lays a single egg on the skin of the host larva or nearby it, without any significant preference for a particular variant. The presence of long hairs on its body provides the newly-hatched first larval instar with high mobility. Some peculiarities in this parasitoid-host relationship are described.
首次详细描述了米亚尔采娃和库拉舍夫的吉氏潜蝇茧蜂的幼虫龄期。该物种是六斑金翅麦蛾(Thunberg)(鳞翅目,麦蛾科)的幼虫-蛹期体外寄生蜂,六斑金翅麦蛾在藜(藜科,石竹目)植物上形成叶瘿。吉氏潜蝇茧蜂雌虫在寄主幼虫体表或其附近产一枚卵,对特定变体无明显偏好。其身体上的长毛使新孵化的一龄幼虫具有高移动性。描述了这种寄生蜂与寄主关系中的一些特点。