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- Title
Sexual dimorphism of adult labial palps of the peach fruit moth Carposina sasakii Matsumura (Lepidoptera: Carposinidae) with notes on their sensilla.
- Authors
Chen, Jing; Hua, Baozhen
- Abstract
The labial palps and their sensilla of the peach fruit moth Carposina sasakii Matsumura, a serious pest of pome fruits in eastern Asia, were investigated using light microscopy and scanning and transmission electron microscopy. The labial palps are three-segmented and exhibit distinct sexual dimorphism in length: much longer in the female than in the male. Four types of sensilla were found on the labial palps: campaniform, squamiform, chaetic and flattened sensilla. The campaniform sensilla are present on the first segment alone. The squamiform sensilla are located on all the three segments. The chaetic sensilla are mainly present on the third segment. The flattened sensilla are grooved with wall pores and situated in a labial palp-pit organ, which is located at the apex of the distal segment of the labial palp. The sexual dimorphism of the labial palp and the labial palp-pit organ was briefly discussed.
- Subjects
CARPOSINIDAE; SEXUAL dimorphism; SEX differences (Biology); INSECT anatomy; MICROSCOPY; INSECTS
- Publication
Acta Zoologica, 2016, Vol 97, Issue 1, p42
- ISSN
0001-7272
- Publication type
Article
- DOI
10.1111/azo.12103