Abstract
In the HymenopteraDiadromus pulchellus diploid males have been observed in samples collected in the wild and bred in the laboratory. Using a yellow body color mutant strain, a protocol of crosses, involving inbred individuals, allows the routine production of such diploid males. These males result from the development of fertilized ova and emerge normally. Their preimaginal viability is similar to those of other individuals, and their imaginal viability does not differ from that of haploid males. Diploid males present normal external morphology and neither mosaicism nor intersexuality was observed. However, they are bigger than haploid males and have head size and wing length similar to those of females. The significance of diploid male viability in hymenopteran populations is discussed.
Published Version
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