Entomological News (1975) 86, 47-50

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J.E. Lloyd and A.B. Gurney (1975)
Labral stridulation in a katydid (a coconut-infesting "treehopper") (Orthoptera : Tettigoniidae : Mecopodinae)
Entomological News 86 (3-4), 47-50
Abstract: An unusual kind of stridulation by a member of the Orthoptera occurs in a large katydid, Sexava femorata, which was observed in New Guinea. A single female was seen to move her labrum vertically back and forth over the mandibles, producing a weak rasping sound, apparently on the downward stroke. Motion pictures and a sound recording, here produced as audiospectrograms, were made.
(The abstract is excluded from the Creative Commons licence and has been copied from Acridological Abstracts with permission by NRI, Univ. of Greenwich at Medway.)


Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Segestidea novaeguineae Coconut (Cocos nucifera) Papua New Guinea
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