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PERCEPTION OF CARBON DIOXIDE BY LARVAE OF ORTHOSOMA BRUNNEUM (COLEOPTERA: CERAMBYCIDAE) AS INDICATED BY RECORDINGS FROM THE VENTRAL NERVE CORD

Published online by Cambridge University Press:  31 May 2012

J. M. Meeking ,
W. D. Seabrook  and
U. Paim
J. M. Meeking
Affiliation:
Department of Biology, University of New Brunswick, Fredericton
W. D. Seabrook
Affiliation:
Department of Biology, University of New Brunswick, Fredericton
U. Paim
Affiliation:
Department of Biology, University of New Brunswick, Fredericton
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Abstract

Extracellular hook electrode recordings were made of activity in the ventral nerve cord of the larvae of Orthosoma brunneum (Forster) during application of 30% CO2 to the head region. The work involved bilateral amputation of the tip segments of antennae, maxillary palps, and labial palps so that each specimen bore only one intact pair of the three sensory organs. Larvae with only intact antennae exhibited no response to CO2 in the ventral nerve cord; larvae with only maxillary palps did respond; larvae with only labial palps did respond, but less noticeably. Maxillary and labial palps are sites of CO2 reception in O. brunneum.

Type
Articles
Information
The Canadian Entomologist , Volume 106 , Issue 3 , March 1974 , pp. 257 - 262
Copyright
Copyright © Entomological Society of Canada 1974

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