A really complex interaction between plant host, fungus, moth, and parasitoid
Anne Kilmer
viceroy at gate.net
Sat Oct 26 07:59:01 EDT 2002
Stanley A. Gorodenski wrote:
> You said: "How does the moth know this?" Maybe it doesn't. If there
> is no fungus, the imatures are more successful in not being seen
> by the parasitoid (this follows from what you have said). As a
> result, the parasitoids will spend less time on plants that don't
> have the fungus because they cannot find the larvae. The adult moth
> may be queing off the abundance of parasitoids flying around a
> plant while it itself is looking for a suitable plant upon which to
> lay eggs.
>
> I am just basing this upon my understanding of what you wrote. Maybe more
> information is needed to come up with a better hypothesis.
>
> Stan
>
In my experience, stuff infected by fungus (mold etc.) has a different
taste from uninfected food. Might this not apply here? The mother moth
surely "tastes" the plant before ovipositing.
just speculation ...
Anne Kilmer
------------------------------------------------------------
For subscription and related information about LEPS-L visit:
http://www.peabody.yale.edu/other/lepsl
More information about the Leps-l
mailing list