Brachypterous Coleoptera

Margaret K. Thayer mthayer at FMPPR.FMNH.ORG
Wed May 5 17:18:41 CDT 1999


Adding slightly to what Robin Leech wrote:
>...
>1.  Fully winged.
Also called macropterous, for a term parallel to the other categories

>2.  Brachypterous: smaller (down to say 25-30%) than full wings, and
>organism cannot fly with them.
>3.  Micropterous: wee stubs left which can move, so from just visible bits
>up to about 25% of a normal wing.
>4.  Apterous: no external remnants of wings.

Also, to answer another aspect of the original question, a species may
belong entirely to one of these categories or may include individuals of
two or more types.  The variation may or may not be correlated with sex,
geographical location, time of year, or other factors.


Margaret K. Thayer      mthayer at fmnh.org     http://www.fmnh.org
Adjunct Curator  - Zoology, Insects
Field Museum of Natural History          NEW!  Underground Adventure:
Chicago IL 60605-2496, USA        http://www.fmnh.org./ua/default.htm
tel. 312-922-9410, ext. 838   fax 312-663-5397
NEW DIRECT-DIAL PHONE # effective 22 May 1999: 312-665-7741




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