Eriborus

Förster, 1869

Species Guides

1

Eriborus is a of in the Ichneumonidae with nearly distribution. in this genus are koinobiont endoparasitoids, primarily attacking larval in several lepidopteran families including Pyralidae, Cossidae, Sesiidae, and Noctuidae. Several species have been studied extensively for applications, particularly against agricultural pests such as the European corn borer (Ostrinia nubilalis) and cabbage cluster caterpillar (Crocidolomia pavonana). The genus includes species with documented activity patterns and temperature-dependent developmental rates.

Pronunciation

How to pronounce Eriborus: /ɛˈrɪbərəs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Distribution

Almost ; documented from Africa (Kenya, South Africa, Ethiopia, Mauritius, Réunion), Asia (China, Indonesia), Australia, Papua New Guinea, and Europe (Denmark, Norway, Sweden). GBIF records confirm presence in Scandinavia.

Host Associations

Life Cycle

Development is temperature-dependent. In E. argenteopilosus, -to- development ranges from 51.3 days at 15°C to 14.0 days at 35°C, with no adult at 35°C indicating near-upper lethal limit. Thermal constant of 224.4 with lower developmental threshold of 10.7°C. Pre-adult stages consist of egg, larval, and pupal phases developing within the .

Behavior

activity patterns documented in E. terebrans. E. applicitus emerge during daytime, primarily 8–11 AM, with calling and mating commencing one hour post-. Virgin females attract males strongly within 3–4 hours of emergence; attraction persists to day 2 but at reduced intensity. No calling or mating occurs. Females mate at least twice before oviposition; males mate once. -seeking involves on bark surfaces of infested trees. occurs in E. argenteopilosus, with rates influenced by temperature and host —highest at 20°C with host densities of 15–30 individuals.

Ecological Role

Koinobiont endoparasitoid of lepidopteran larvae; regulates of herbivorous . Several species investigated and employed as agents against agricultural pests. E. argenteopilosus has been evaluated for integration with (Aglaia odorata extract) for enhanced pest management.

Human Relevance

Investigated and utilized as agent for multiple agricultural pests. E. terebrans studied for control of European corn borer in North America and Europe. E. argenteopilosus evaluated for management of cabbage cluster caterpillar in tropical agriculture. feeding with honey solutions used to enhance longevity and in mass-rearing programs.

Similar Taxa

  • CampoletisAlso Campopleginae koinobiont endoparasitoids of Lepidoptera; Eriborus distinguished by specific wing venation and ovipositor proportions requiring expert examination
  • DiadegmaSimilar campoplegine of lepidopteran larvae; separation requires detailed morphological analysis of propodeum and fore wing areolet structure

Tags

Sources and further reading