Effects of Pesta-Pelletized Steinernema carpocapsae (All) on Western Corn Rootworms and Colorado Potato Beetles.

Granular Formulations of Steinernema carpocapsae (strain All) (Nematoda: Rhabditida) with Improved Shelf Life.

Shelf life (nematode survival) of Steinernema carpocapsae (strain All) nematodes at 21 C in "Pesta" granules, made by a pasta-like process, was increased from 8 to 26 weeks by incorporating low concentrations of formaldehyde. Pesta samples containing an average of 427,000 nematodes/g were prepared with wheat flour (semolina or bread flour), kaolin, bentonite, peat moss, nematode slurry, and for...

Efficacy and Persistence of Steinernema carpocapsae (Rhabditida: Steinemematidae) Applied through a Center-Pivot Irrigation System Against Larval Corn Rootworms (Coleoptera: Chrysomelidae)

Effectiveness of glues used for harmonic radar tag attachment and impact on survival and behavior of three insect pests.

The ability of three cyanoacrylate glues to ensure a durable bond between the Colorado potato beetle, Leptinotarsa decemlineata (Say), the plum curculio, Conotrachelus nenuphar (Herbst), or the corn rootworms (Western Corn Rootworm, Diabrotica virgifera virgifera LeConte and Northern Corn Rootworm, Diabrotica longicornis Smith and Lawrence) and the harmonic radar tag without impact on behavior ...

Side effects of immune response of Colorado potato beetle, Leptinotarsa decemlineata against the entomopathogenic nematode, Steinernema carpocapsae infection

Entomopathogenic nematodes (EPNs) are lethal pathogens of agricultural insect pests. Little is known about their sublethal effects on the insect hosts. The lethal effects of Steinernema carpocapsae on fourth instar larvae of Colorado potato beetle (CPB), Leptinotarsa decemlineata were detected using soil infection and direct injection of the nematode into the hemocel. LC20 and LC80 values of 7....

"Pesta": New Granular Formulations for Steinernema carpocapsae.

"Pesta," a new granular product for use with entrapped biocontrol agents, is based on a cohesive dough made of wheat flour, fillers, and other additives. Infective juveniles of the entomopathogen Steinernema carpocapsae strain All incorporated in Pesta granules emerged when the granules were softened by immersion in water. These granules may be useful for the biocontrol of insect pests in the s...