Document Type

Peer-Review Article


Rearing immatures of Euschistus tristigmus tristigmus in a range of split photophases during each 24 h period and in constant light showed that the adult dimorphic response in shoulder shape and number of midventral spots could be produced; individuals reared in photoperiods in which each scotopnase was at least 2 h in length developed into the tristigmus (short-day) form.

Included in

Entomology Commons



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