The effects of acclimation and post-treatment temperature on the toxicity of allethrin to the american cockroach, periplaneta americana

A chemotaxonomic approach to fatty acid composition of the genera Helochares and Coelostoma (Coleoptera: Hydrophilidae)

“…It was observed that the percent distribution of linolenic (18:3-n3) acid, the precursor of eicosanoids and prostaglandins, ranged from 1.46 to 5.46%. This fatty acid is less than 1% in omnivorous insects (Baldus & Mutchmor, 1988). This ratio was found to be higher than 1% in our study, suggesting that although these insect groups are omnivorous, they mainly feed phytophagous, or it may also be related to the fact that these are aquatic insects (Stanley-Samuelson et al, 1990.…”