Newly emerged nulliparous Culicoides imicola Kieffer (Diptera: Ceratopogonidae) with pigmented abdomen

被引:17
作者
Braverman, Yehuda [2 ]
Mumcuoglu, Kosta [1 ]
机构
[1] Hebrew Univ Jerusalem, Hadassah Med Sch, Dept Parasitol, IL-91120 Jerusalem, Israel
[2] Hebrew Univ Jerusalem, Koret Sch Vet Med, IL-76100 Rehovot, Israel
关键词
Pigmentation; Nulliparous; Parous; Culicoides imicola; Breeding;
D O I
10.1016/j.vetpar.2008.11.016
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
The method of segregating nulliparous and parous females of Culicoides spp. based on the presence of burgundy-red pigment inside the abdominal wall of parous Culicoides midges, is used worldwide. Out of 320 females of Culicoides imicola trapped by emergence traps, set over an artificial breeding site for 10 and 24 days, 73 (22.8%) showed a red-pigmentation despite the fact that they were nulliparous. This finding indicated that 23% of the "parous" females that are examined for the presence of arboviruses and other pathogens or for age-grading purposes, are actually old nulliparous females, which had no chance of acquiring pathogens. This bias in parous rate distorts upward the calculation of vectorial capacity. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:356 / 358
页数:3
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