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THE TRACHEAL SYSTEM OF THE LARVAE OF HYPODERMA (DIPTERA: OESTRIDAE) LINEATUM AND H. BOVIS*

Published online by Cambridge University Press:  31 May 2012

Abstract

The tracheal system of all three larval instars of Hypoderma is metapneustic. The arrangement generally resembles that in the Cyclorrhapha except for reduction of the dorsal anastomoses, lateral, longitudinal, and spiracular tracheae and the apparent absence of ventral cervical tracheae. The transverse connectives consist mainly of secondary and tertiary branches, but the dorsal anastomoses have only secondary branches, if any. The transverse connectives extend to the ventral and lateral somatic musculature and to the alimentary canal. The dorsal anastomoses supply mainly the heart and dorsal somatic musculature.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1971

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