Morphology of the Alimentary and Reproductive Organs in Reduviidae (Hemiptera: Heteroptera) with Comments on Interrelationships within the Family

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Abstract
The morphology of the salivary glands and internal reproductive organs has been studied in 9 subfamilies of Reduviidae. The internal male reproductive organs and to some extent the female accessory glands offer characters of greatest value in determining the interrelationships of reduviid subfamilies. The male karyotypes offer promising information but the available data do not permit any significant conclusions to be drawn. The scent glands appear to be of little value in the higher systematics as they seem to have been acquired, independently, for defense. The study has supported the idea of a close relationship between the seemingly different Tribelocephalinae and Ectrichodiinae. Evidence in favor of the reduction of Rhaphidosominae to a tribal status within Harpactorinae is presented. The information from anatomy suggests that of the 9 subfamilies studied, Tribelocephalinae are the most primitive, and Rhaphidosominae are the most advanced groups.

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