[Taxacom] Taxacom Digest, Vol 147, Issue 15

John Grehan calabar.john at gmail.com
Sun Jul 29 10:15:27 CDT 2018


Most appreciative of the comment about butterfly copulation in flight. The
point about this being a retained connection following disturbance is
useful to know. I have been writing on a mating observation in ghost moths
(Hepialidae) where copulation takes place at rest. But one exception noted
when a female flew off with an attached male. In light of the butterfly
situation this observation may also indicated disturbance (presence of
observer, not myself) or unusual situation (this was where the female was
on a horizontal surface rather than suspended from an object or plant). In
ghost moths some species have males seeking females, others females seek
males and some complexities between. Thanks again for the feedback on this
obscuria.

John Grehan

On Fri, Jul 27, 2018 at 2:38 PM, Lívia <lrpinheiro at gmail.com> wrote:

> Butterflies and moths have in general very distinct reproductive behaviors.
> Butterflies usually rely on visual cues for finding mates. Males either
> control a territory where they sit and wait for females to show up, or
> patrol a larger area actively searching for them. In either case, when they
> see one, they go after her. There might be some short-range pheromones
> involved in courtship. Moths rely on long distance female pheromones, which
> are followed by males. The castniids are the exception, as has been
> discussed in this paper:
> http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0029282.
> Zygaenidae, a family of both diurnal and nocturnal moths, sometimes have
> both systems.
>
> All moths I've seen were copulating on leaves or sticks. I think this
> probably has to do with the overwhelming importance of chemical
> communication: if visual cues are not that important, or important at all,
> and the short-range male pheromones, appear to have a major role in the
> female choice (as it has been demonstrated to several moth species), it
> simply doesn't make much sense to copulate while flying.
>
>
>
> On Fri, Jul 27, 2018 at 2:00 PM, <taxacom-request at mailman.nhm.ku.edu>
> wrote:
>
> > Daily News from the Taxacom Mailing List
> >
> > When responding to a message, please do not copy the entire digest into
> > your reply.
> > ____________________________________
> >
> >
> > Today's Topics:
> >
> >    1. mating pairs of moths in flight (John Grehan)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 27 Jul 2018 11:47:18 -0400
> > From: John Grehan <calabar.john at gmail.com>
> > To: taxacom <taxacom at mailman.nhm.ku.edu>
> > Subject: [Taxacom] mating pairs of moths in flight
> > Message-ID:
> >         <CADN0ud3OVbt47COKDp+QjgX_CVObQhtA4BE=o07Li-udG83qqA@
> > mail.gmail.com>
> > Content-Type: text/plain; charset="UTF-8"
> >
> > Dear colleagues,
> >
> > This is just a general question directed at any Lep people on the list. I
> > get the impression that mating pairs flying in tandem is a rare
> occurrence
> > in moths (but common in butterflies). I know of just one instance (in a
> day
> > flying moth in Castaniidae) , but if anyone on this list knows of any
> > published reference to this behavior in moths I would be grateful to
> know.
> >
> > Many thanks,
> >
> > John Grehan
> >
> >
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> > Nurturing Nuance while Assaulting Ambiguity for 31 Some Years, 1987-2018.
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> >
> > ------------------------------
> >
> > End of Taxacom Digest, Vol 147, Issue 15
> > ****************************************
> >
>
>
>
> --
> Lívia Rodrigues Pinheiro
>
> Universidade Federal de São Carlos - UFSCar
> CCHB/Departamento de Biologia, campus Sorocaba
> Rodovia João Leme dos Santos (SP-264), Km 110, Bairro do Itinga - Sorocaba
> - São Paulo - Brasil - CEP 18052-780
> Telefone: (15) 3229-5972
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> Nurturing Nuance while Assaulting Ambiguity for 31 Some Years, 1987-2018.
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