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Chinese Agricultural Science Bulletin ›› 2021, Vol. 37 ›› Issue (4): 120-125.doi: 10.11924/j.issn.1000-6850.casb20200300272

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Antennal Morphology and Sensilla of Vespa bicolor Observed with Scanning Electron Microscopy

Shi Wen1(), Li Chenyang1, Wang Yuchen1, Liu Qing2, Yi Chuanhui3, He Qiuju1()   

  1. 1Key Laboratory of Forest Disaster Warning and Control in Yunnan Province/ College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224
    2Department of Resources and Environmental Sciences, Baoshan College, Baoshan Yunnan 678000
    3Yunnan Academy of Biodiversity, Southwest Forestry University, Kunming 650224
  • Received:2020-03-27 Revised:2020-07-04 Online:2021-02-05 Published:2021-01-25
  • Contact: He Qiuju E-mail:546424535@qq.com;He_qiuju@163.com

Abstract:

The antennae and sensilla external morphological characteristics of Vespa bicolor (Vespidae Hymenoptera) were identified. The sensilla morphological characteristics, types and distribution of V. bicolor drumbledrone and worker bees were observed by scanning electron microscopy. The results show that the antennae of V. bicolor are geniculate and consist of scape, pedicel and flagellum. There are 11 sections of drumbledrones’ flagellum and 10 sections of worker bees’ flagellum. And there are 5 types of sensilla, including trichoid sensilla (subtype TS I, TS Ⅱ), placodea sensilla (subtype PS I, PS Ⅱ), chaetica sensilla (subtype CS I, CS Ⅱ), basiconic sensilla (subtype BS I, BS Ⅱ), and coeloconic sensilla (CoS). The 9 kinds of sensilla of the two types social wasps are basically the same in morphology and type, but the size and distribution position are slightly different. Trichoid sensilla and placodea sensilla are distributed most widely and with the largest amount.

Key words: Vespa bicolor, antennal, sensilla, scanning electron microscope, ultrastructures

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