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Month: August 2016

Making a specimen – Mounting the stag beetles with their wings open ?>

Making a specimen – Mounting the stag beetles with their wings open

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I learned how to make specimen of an open winged stag beetle. The opportunity was given as an small group seminar.  I thank the teacher Mr. Inoue for providing this educational opportunity. Lucanus maculifemoratus was the one to be made. The insect was died several years ago and softened by hot water today. I was used to touch stag beetles for long years, but this is the first opportunity for me to open the wings of the insect. Using pins…

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Stag beetles that have half male and half female body ?>

Stag beetles that have half male and half female body

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This is a gynandromorph (an individual that consists of male and female) of Allotopus rosenbergi (stag beetle species living in Malaysia and Indonesia). The body has bilateral asymmetry, half side female and the other side male. This phenotype is quite rare, but have been widely observed in arthropods both in nature and in breeding conditions. We can see gynandromorphs of other stag beetle species as well on the internet (Ref.1, the link shows the gynandromorph of Dorcus hopei binodulosus, Prosopocoilus inclinatus inclinatus, Lucanus…

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