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Rev Bras Biol. 2000 Feb;60(1):123-7.

Antennal malformations in light ocelli drones of Apis mellifera (Hymenoptera, Apidae).

Author information

1
Departamento de Biologia, IBRC, Universidade Estadual Paulista, SP, Brazil. depbio@rc.unesp.br

Abstract

Malformed antennae of Apis mellifera light ocelli drones were drawn, dissected and mounted permanently on slides containing Canada balsam, in order to count the olfactory discs present in each segment, in comparison with the number of those structures in normal antennae of their brothers. Some drones presented morphological abnormalities in a single segment of the right or left antenna, but others had two or more malformed segments in a same antenna. Drones with malformations in both antennae were also observed. The 4th and 5th flagellum segments were the most frequently affected. In a low number of cases the frequency of olfactory discs in malformed segments did not differ from that one recorded for normal segments. However, in most cases studied, the antennal malformations brought about a significant reduction in the number of olfactory discs from malformed segments.

PMID:
10838931
[Indexed for MEDLINE]

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