Two species of Psilochalcis (Hymenoptera: Chalcididae) wasps occurring in the Great Basin region western United States were sampled from three locations central Utah (USA) over a two-year period using Malaise traps. Each location is composed four contiguous habitat types: pinyon/juniper (Pinus edulis or P. monophylla and Juniperus osteosperma), sagebrush (Artemisia tridentata), cheatgrass (Brom...

La investigación se condujo con el objetivo de realizar la caracterización y temporalidad los enemigos naturales asociados Opsiphanes cassina en una plantación palma aceitera, ubicada estado Monagas, Finca “El Águila” Venezuela. Se efectuaron evaluaciones a intervalos semanales, durante ciclo agosto 2015/agosto 2016, seccionando hoja número 25 dos plantas.ha-1 un lote 10 ha. cuantificó huevos, ...

In this work, the wasp Brachymeria podagrica is recorded for first time Colombia, a solitary parasitoid of larvae Peckia collusor fly. Third instar P. were exposed to outdoor ambient conditions 6 hours in garden Tecnológico de Antioquia (Medellín, Colombia). 29 B. adults obtained from host pupae. Prevalence parasitism was 14.5 %.

A checklist of 1246 extant, described species, classified in 346 genera 18 families Chalcidoidea (Hymenoptera) are reported from Canada, Alaska (USA) and Greenland (Denmark) based on examined specimens published records up to December 31, 2020. Of the 1214 (in 345 families) listed 113 58 10 Alaska, 26 22 4 Greenland. The list includes 235 new species 53 generic for Canada (no family records). F...