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Hermaphroditism and other Abnormalities in Pediculus humanus .

1919; Cambridge University Press; Volume: 11; Issue: 3-4 Linguagem: Inglês

10.1017/s0031182000004285

1469-8161

D. Keilin, G Nuttall,

Morphological variations and asymmetry

This paper is based on the study of a large material derived from various sources and containing a great number of abnormal specimens of Pediculus humanus , namely 155 hermaphrodites, besides abnormalities other than sexual which occur very rarely among insects.