Hymenoptera (weed bioagents)
From Pestinfo-Wiki

galls of Trichilogaster acaciaelongifoliae on Acacia longifolia (click on image to enlarge it)
Author(s): Jon Richfield
Source: Wikimedia Commons
Author(s): Jon Richfield
Source: Wikimedia Commons
Hymenoptera (weed bioagents) - wasps against weeds
This is a large order of insects. The adults have 2 pairs of membranous wings. Many species are beneficial parasitoids. Some are also pests of crops and in forests. The group further includes several species which feed on weeds (e.g. by producing galls) and are considered useful biological control agents. This group is covered here.
Note:
The Hymenoptera contain more than 150,000 species with various types of life styles and feeding habits. This page refers to weed bioagents only, for other beneficial groups of Hymenoptera see:
For other groups of Hymenoptera see:
The following families of Hymenoptera containing weed bioagents have been entered into the system: