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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 29, No. 1, 2008, pp. 108-112
Bioline Code: zr08018
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 29, No. 1, 2008, pp. 108-112

 en Scanning Electron Microscopy of Antennae of Aphidoletes aphidimyza check for this species in other resources (Diptera: Cecidomyiidae)
ZHANG Jie & YANG Mao-fa


The morphology of antennae of Aphidoletes aphidimyza check for this species in other resources was observed with a scanning electron microscope. The results showed that both male and female were fourteen segmented, the male was approximately 2000μm and the female was 1050 μm. Six types of sensillae on the antenna were observed, viz. chaetica (Ch), trichoidea (Tr), basiconica (Ba), cavity (Ca), styloid (St) and circumfila (Ci) on the antennae of A. aphidimyza. Sensillae Ch had a long external-process, with a base surrounded by membranous sockets and a length of about 67.5 μm. Sensillae Tr were distally curved and inserted into a depression, 61.0 μm long. Sensillae Ba were peg-like and 4.7 μm long on the antennae. Sensillae Ca were pit-like in appearance and the diameter of the pit was 1.2 μm. Sensilla St was found on the second sub-segment flagellum of the male antennae. The length of the sensilla was about 21 μm and the diameter was 1.5 μm. The circumfila, which are a unique type of sensilla found only on cecidomyiid antennae, formed loops around each of the antennal sub-segments, and were attached to the surface by a series of stalks. Sensilla St was only present on male antenna. The number of Ba and Tr was almost the same in both sexes. There were more Sensilla Ca on the male antenna than on the female, while there was more Ch on the female.

Aphidoletes aphidimyza; Scanning electron microscopy; Antenna; Sensillae; Ultrastructure

© Copyright 2008 Kunming Institute of Zoology, the Chinese Academy of Sciences
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