Scanning Electron Microscopy Observation on Antenna Sensilla in Adults of 2 Color Types of Coridius chinensis
To understand the type,distribution and ultrastructure of antennal sensilla of 2 color types of adults Coridius chinensis.The antennal morphology and ultrastructure of the female and male adults from 2 color types of C.chinensis were observed by scanning electron microscopy with brown and black C.chinensis in Dongshan Township,Tengchong City.The findings indicated that the antennae of C.chinensis were linear with 5 segments and composed by scape,pedicel and flagellum.The length of antennae was different between 2 color types and sexes.The antennal length of female from brown type was 8 433.88 μm,which was significantly longer than that of the male antennal length 8 162.21 μm,and the antennal length of female from black type was 8 315.41 μm that was also significantly longer than that of the male antennal length 8 106.54 μm.There was no significant differ-ence in antennal length of female adults between 2 types while the antennal length of male adults between 2 types was significantly different.There were 7 antennal sensilla types from 2 color types of C.chinensis,including sensilla trichoidea,sensilla chaetica,sensilla basiconca,sensilla bent-tipped,sensilla cavity,sensilla cylindrical and sensilla coeloconica,among which 5 antennal sensilla types were shared by 2 color types.The sensilla trich-oidea had the largest number and the widest distribution range.There were some differences on the antennae length,types and distribution of the antennal sensilla between 2 color types and sexes.Moreover,the sensilla cyl-indrical was observed for the first time on the antennae of Heteroptera insects.The results of this study provide a basic reference for further study of the relationship between C.chinensis and environment and the mechanism of host selection and the large-scale artificial breeding of C.chinensis.
Coridius chinensisadultcolor typeantenna sensillascanning electron microscopy
国家科技期刊平台
NSTL
万方数据
