Abstract
AbstractThe sensory structures of the cephalic segment of first- and third-instar Arachnidomyia aldrichi (Parker) (Diptera: Sarcophagidae) larvae were examined by scanning electron microscopy. Larvae were prepared by methanol freeze substitution, which effectively preserved the structure of these membranous specimens. Sensilla of first and third instars are described and compared with respect to differences in the sensory requirements of these instars. Sensilla numbers and types were similar in both instars, although the sensilla of third instars were larger than those of first instars. None of the external sensory structures was unique to one or the other instar. The cephalic sensory structures of A. aldrichi are also similar in arrangement and structure to those reported for other saprophagous and herbivorous muscomorph dipteran larvae.
Publisher
Cambridge University Press (CUP)
Subject
Insect Science,Molecular Biology,Physiology,Ecology, Evolution, Behavior and Systematics,Structural Biology
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