SEXUAL DIMORPHISM AND DEVELOPMENTAL-CHANGE OF THE SALIVARY-GLANDS IN ADULT CULICOIDES-VARIIPENNIS (DIPTERA, CERATOPOGONIDAE)

被引:9
作者
DELEON, AAP [1 ]
LLOYD, JE [1 ]
TABACHNICK, WJ [1 ]
机构
[1] UNIV WYOMING,COLL AGR,DEPT PLANT SOIL & INSECT SCI,LARAMIE,WY 82071
关键词
CULICOIDES-VARIIPENNIS; SALIVARY GLANDS; SEXUAL DIMORPHISM;
D O I
10.1093/jmedent/31.6.898
中图分类号
Q96 [昆虫学];
学科分类号
摘要
Salivary glands of adult male and female Culicoides variipennis (Coquillett) were sexually dimorphic when examined by phase contrast light microscopy. Female salivary glands were larger and more complex than those in males. Each female gland consisted of a main gland, which was subdivided into a proximal neck and a distal body with reference to the salivary duct, and four accessory glands. Each male salivary gland consisted of a pear-shaped body with a constriction, or neck, that divided it into a proximal and a distal portion, with reference to the salivary duct. Salivary glands of both sexes increased in length from emergence to day 3, followed by a sex-specific pattern of decrease. Based on these morphological observations, we suggest that the salivary glands of female C. variipennis are specialized in the production of secretory materials for bloodfeeding.
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页码:898 / 902
页数:5
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