Antennal olfactory sensilla of the horn fly, Haematobia irritans irritans (L.) (Diptera: Muscidae)

Scanning and transmission electron microscopy were used to study the olfactory sensilla of the basal flagellar subsegment, or funiculus, of the antennae of the horn fly, Haematobia irritans irritans (L.). Surface olfactory sensilla consist of thick-walled and 3 morphological types of thin-walled mul...

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Bibliographic Details
Published in:Journal of the Kansas Entomological Society 1980-07, Vol.53 (3), p.641-652
Main Authors: White, Sandy L., Bay, D. E.
Format: Article
Language:English
Subjects:
Dendrites
Electrons
Entomology
Flies
Funicular railways
Insect antennae
Insect morphology
Sensilla
Sensory neurons
Solar fibrils
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Summary:Scanning and transmission electron microscopy were used to study the olfactory sensilla of the basal flagellar subsegment, or funiculus, of the antennae of the horn fly, Haematobia irritans irritans (L.). Surface olfactory sensilla consist of thick-walled and 3 morphological types of thin-walled multiporous sensilla; all have typical pore-tubule systems. In addition, surface grooved sensilla are present. Shallow depressions on the proximal ventral surface are populated exclusively with thin-walled multiporous clavate sensilla. Two to 3 olfactory pits on the dorsomedial surface as well as a single pit on the ventral surface also contain numerous thin-walled and grooved sensilla morphologically similar to their surface counterparts.
ISSN:0022-8567
1937-2353