Figures 5.7


Males of three species of the water-strider genus Rheumatobates, showing species-specific antennal and leg modifications (mostly flexible setae).
Figures 5.7. Males of three species of the water-strider genus Rheumatobates, showing species-specific antennal and leg modifications (mostly flexible setae).

These non-genitalic male structures are specialized for contact with the female during mating, when the male rides on her back. Females of all species have a similar body form. (a) R. trulliger; (b) R. rileyi; (c) R. bergrothi. (After Hungerford 1954)

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  Spermatophores lying within the bursae of the female reproductive tracts of moth species from four different genera (Lepidoptera: Noctuidae).
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  Oviposition by a South African ladybird beetle, Chilomenes lunulata (Coleoptera: Coccinellidae).