The complete amino acid sequence of acidic Agkistrodon halys blomhoffii phospholipase A2 has been redetermined by a combination of manual and automatic Edman degradations. Acidic A. halys blomhoffi phospholipase is a single polypeptide chain consisting of 122 amino acids and is highly homologous in sequence with corresponding regions of phospholipase A2 from a variety of sources. Prism crystals...

The invasive brown marmorated stink bug, Halyomorpha halys (Stål), has become a severe agricultural pest and nuisance problem since its introduction in the U.S. Research is being conducted to understand its biology and to find management solutions. Its symbiotic relationship with gut symbionts is one aspect of its biology that is not understood. In the family Pentatomidae, the reliance on gut s...

Halyomorpha halys (Stål) (Heteroptera: Pentatomidae), the brown marmorated stink bug, is an invasive agricultural and nuisance pest rapidly expanding its incidence in North America. This voracious pest poses a significant threat to rural and urban agriculture, especially to specialty crops such as apples, grapes and ornamentals, as well as staple crops including soybean and corn. The object of ...

Harmonic radar technology enhances capability to track the movement of individual small insects under field conditions. To maximize the capacity of this technology, it is necessary that radar tags must be securely attached to insects and that the tags remain functional when subjected to mechanical stress. In this study, a series of experiments was carried out to test an improved harmonic radar ...

Despite much effort towards resolving the molecular phylogenetic tree for pitvipers, some aspects remain unresolved. In particular, the sister group of the diverse New World radiation has remained impossible to identify with any certainty. In this study, which for the first time includes nuclear intron data from all major groups of Asian pitvipers as well as representatives of the New World rad...

The brown marmorated stink bug (Halyomorpha halys) has emerged as one of the most important invasive insect pests in the United States. Functional genomics in H. halys remains unexplored as molecular resources in this insect have recently been developed. To facilitate functional genomics research, we evaluated ten common insect housekeeping genes (RPS26, EF1A, FAU, UBE4A, ARL2, ARP8, GUS, TBP, ...

Temperature-based degree-day models describe insect seasonality and to predict key phenological events. We expand on the use of a temperature-based process defining timing of reproduction through the incorporation of female reproductive physiology for the invasive pentatomid species Halyomorpha halys, the brown marmorated stink bug. A five-stage ranking system based on ovary development was abl...

The authors report a case of Trimeresurus albolabris (white-lipped green pit viper) bite in a 6-year-old girl living in rural Yuen Long. Despite repeated use of Agkistrodon halys antivenin, the patient developed severe coagulopathy with defibrination syndrome on the fourth day of envenomation, which was also refractory to therapy with fresh frozen plasma. When treatment was switched to green pi...

The brown marmorated stink bug Halyomorpha halys is an invasive agricultural pest with a worldwide distribution. Classical biological control has been identified as the most promising method to reduce populations of H. halys. Adventive two candidates for releases, Trissolcus japonicus and mitsukurii, have recently detected in Europe. To assess their distribution abundance, large-scale survey wa...