混同肥角锹甲 Aegus imitator

科 (Family):锹甲科 Lucanidae

属 (Genus):肥角锹甲属 Aegus

Aegus imitator Nagel, 1941

Specimen Image (SI)
混同肥角锹甲 Aegus imitator ♂ SI1
混同肥角锹甲 Aegus imitator ♂ SI1

标本采集地点 (Location of Collecting): 中国四川省雅安市龙苍沟 1250m

标本采集时间 (Time of Collecting): ?

采集人 (Collector): ?

制作人 (Specimen Maker): 詹志鸿

混同肥角锹甲 Aegus imitator ♀ SI1
混同肥角锹甲 Aegus imitator ♀ SI1

标本采集地点 (Location of Collecting): 中国四川省雅安市荥经县龙苍沟国家森林公园

标本采集时间 (Time of Collecting): 2021年5月 May.

采集人 (Collector): ?

制作人 (Specimen Maker): 詹志鸿

中文亦称:肘子肥角锹甲

鉴定描述:本种雄虫外观颇为近似广东肥角,但各个发育程度不同的型都比广东肥角大出很多。雌虫外观颇为类似巨肥角,因其鞘翅上的沟纹很宽且沟纹间的隆纹光滑。但本种雌虫与巨肥角雌虫相比,前眼毗在末端较宽,前胸背板最宽处接近中段,大鄂内齿前缘较为凹曲,头盾前缘较平。

Identification. The original description (Nagel 1941) is informative, with the unique male holotype illustrated as a sketch (reproduced in correct size among the specimens examined by us). Nagel(1941) hesitated to regard his female specimen (actually not A. imitator) as the correct female of this species, therefore his female specimen should not be included into the type material, making the unique male specimen a holotype. This holotype was most probably destroyed. Benesh(1960) incorrectly treated thistaxon as a synonym of A. bidens, overlooking the big size of the holotype (length of body includingmandibles 27mm) and the excised anterior angle of the pronotum. However, Fujita (2010) illustrated amale from Guangxi matching with the holotype in most details. We also examined a small series of specimens from Guangxi and found that the male genitalia of this species are different from those of theother known species. In conclusion, this species is a bona species, with well marked differences in both male and female genitalia from all other species. It seems to be a much larger version of A. kuangtungensis, but with very different genital structures from the latter.

鉴定来源:《中华锹甲》

订阅评论
提醒
guest
0 评论
内联反馈
查看所有评论