A Damselfly Question (fwd)

Dr. Kelvin F. Conrad Dr. Kelvin F. Conrad" <k.f.conrad@talk21.com
Fri, 14 Jan 2000 14:02:26 -0000

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Thomas' forwarded message brings up an interesting question. Which damselfly
species DO submerge to oviposit? And which do it more or less obligately and
which more facultatively? I have studied Calopteryx maculata, C. aequabilis
and C. amata on a stream where they held overlapping territories. C. amata
females always submerged to oviposit, C. maculata never did, and C.
aequabilis were somewhere in between, submerging according to some formula I
could never figure out. Often these different behaviours occurred
side-by-side on the same bed of aquatic vegetation.


Dr. Kelvin F. Conrad
2 Jayworth House
140 Liverpool Rd
Reading, Berks.

e-mail: K.F.Conrad@Talk21.com
phone: 01189-265313


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