Male and female visual neurones in dipterous insects [14]

Research output: Contribution to journalLetterpeer-review

53 Scopus citations


In many insects some visually guided behaviour patterns differ between the sexes. For example, male hoverflies and houseflies chase females in the air using visual cues but are not chased by females1-3. Presumably information processing by nerve cells also differs. The genetic and histochemical identification of a brain area in Drosophila that must be male for male behaviour to occur4 suggests that circuits for sexual behaviour are localised. Recent anatomical studies of houseflies (Musca domestica) have demonstrated certain visual neurones present only in males5. I report here results from another species (the blowfly, Calliphora erythrocephala) demonstrating another kind of sexual difference of neural architecture in the visual system. In this fly dimorphism is expressed by differences in the shapes of analogous neurones in males and females, as well as by the presence of some cells in only one sex. The sexually dimorphic neurones of both sexes 'view' a region of the visual field coinciding with the region of binocular overlap.

Original languageEnglish (US)
Pages (from-to)381-383
Number of pages3
Issue number5745
StatePublished - 1980

ASJC Scopus subject areas

  • General


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