Temperate-zone
Guides
Ophion
nocturnal ichneumon wasps
Ophion is a genus of nocturnal ichneumonid wasps in the subfamily Ophioninae. Members are typically orange to yellow in coloration and are endoparasitoids of lepidopteran larvae. The genus exhibits exceptionally high morphological similarity among species, making identification difficult without molecular or detailed morphometric analysis. Most species are attracted to artificial lights at night. The genus has a worldwide distribution with greatest diversity in temperate regions.