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Zhang J.,Jilin Provincial Academy of Forestry | Zhang X.,Jilin Provincial Academy of Forestry | Liu C.,Jilin Agricultural University | Meng L.,Jilin Provincial Academy of Forestry | Zhou Y.,Jilin University
Entomologica Fennica | Year: 2014

Scanning electron microscopy was used to examine the morphology, ultrastructure, and distribution of antennal sensilla of the stink bug Arma chinensis. Two types of sensilla trichodea (ST 1-2), four types of sensilla basiconica (SB 1-4), one type of sensilla chaetica (SCH), one type of sensilla cavity (SCA) and one type of sensilla coeloconica (SCO) were distinguished on the antennae in both sexes. ST1 and ST2 were absent from the scape and pedicel. SB1 were absent from the scape. SB2 were distributed throughout the antennae. SB3 were located on the second pedicel and the two flagellomeres. SB4 were absent from the second flagellomere. SCH was observed on the second pedicel and the two flagellomeres. SCA and SCO occurred only on the second flagellomere. SB1 clusters occurred on the distal part of the second flagellomere. We compared the morphology and structure of these sensilla to other Heteroptera and discuss their possible functions. © Entomologica Fennica. 30 December 2014. Source

Zuo T.,Jilin Provincial Academy of Forestry | Wang M.,Jilin Province Forestry Survey and Planning Institute | Zhang J.,Jilin Provincial Academy of Forestry | Li L.,Jilin Provincial Academy of Forestry | And 2 more authors.
Entomological News | Year: 2015

The typology, number, and distribution pattern of antennal sensilla of Cryptorhynchus lapathi L. (Coleoptera: Curculionidae) were studied using scanning electron microscopy. The antennae of adult females and males were geniculate, consisting of scape, pedicel and a seven-segmented flagellum. Five types of sensilla including 10 subtypes were recorded: Böhm bristles, sensilla basiconica (Sb I-II), sensilla chaetica (Sch I-II), trichoid sensilla (Str I-II) and rod-like sensilla (Sr I-III). Sr III as unique sensilla on adult males were observed on the scape, pedicel and flagellum 1 and 2. There were more Sch I than any other type. No significant sexual differences in the types, numbers, size and distribution of the antennal sensilla were found except for Sr III. The putative functions of sensilla types are also discussed with reference to their morphology and distribution. Source

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