Acroneuria frisoni Stark & Brown, 1991(Plecoptera: Perlidae), is a highly threatened stonefly species which in Illinois alone has experienced a 98% loss of its historical range. Some previously degraded drainages within ...

The death of half of the neurons in the abdominal nervous system accompanies the emergence of the adult Manduca sexta moth. The cell loss is regulated both by hemolymph concentrations of a steroid hormone, 20-hydroxyecdysone, ...

Subfamily Microgastrinae (Hymenoptera: Braconidae) is one of the largest subfamilies of parasitoid wasps, both in terms of number of described species as well as estimated total number of species. Containing ~57 genera and ...

Finally, in Chapter 4 I investigated how octopamine in antennal lobes may be regulated. Because juvenile hormone acts over developmental time scales to affect foraging while octopamine acts over short-term scales, I ...