Osphya Illiger (Melandryidae: Osphyinae) as a species-poor insect group, exhibits widespread distribution in the Northern Hemisphere, however, research of genus is poorly documented especially East Asia. Herein, an interesting species discovered Shennongjia National Natural Reserve (Hubei, China). The examination morphological characters and comparisons with others show it to be new member Osph...

This paper shows the results of a dose-response study in Scaptotrigona bipunctata bees, Lepeletier, 1836 (Hymenoptera: Apidae) exposed to insecticide Fastac Duo. The aim was evaluate lethal concentration that causes death 50% bees (LC50) and investigate odd mortality after exposure different concentrations, using logistic regression model under Bayesian approach. In this approach, it is possibl...

Symbiotic interactions between microorganisms and social insects have been described as crucial for the maintenance of these multitrophic systems, observed stingless bee Scaptotrigona depilis yeast Zygosaccharomyces sp. SDBC30G1. The larvae S. ingest fungal filaments SDBC30G1 to obtain ergosterol, which is precursor biosynthesis ecdysteroids that modulate insect metamorphosis. In this work, we ...

Particular alkaloids produced by Neotyphodium endophytes show toxicity to invertebrates. Italian ryegrass (Lolium multiflorum Lamarck) cultivars and strains that are symbiotic with Neotyphodium endophytes have been recently established in Japan. N. uncinatum-infected Italian ryegrass lines accumulate N-formylloline, a type of loline alkaloid (1-aminopyrrolizidine) showing neurotoxicity to herbi...