Rangeland
includes meadows, grassland, pasture, and prairie, and grazing land.
Parasitoids
Flies
Pseudacteon spp.
Pathogens
Viruses
Baculoviruses
Fungi
Entomophaga grylli (species complex) Entomophthera mucscae
Nematodes
Mermis nigrescens Phasmarhabditis hermaphrodita
Protozoa and Microsporidia
Predators
Bugs
Campylomma verbasci Orius spp.
Weed Feeders
Knapweed Control Agents
Agapeta zoegana Bangasternus fausti Chaetorellia acrolophi Cyphocleonus achates Larinus minutus Larinus obtusus Metzneria paucipunctella Pelochrista medullana Pterolonche inspersa Sphenoptera jugoslavica Terellia virens Urophora affinis Urophora quadrifasciata
Leafy Spurge Control Agents
Aphthona abdominalis Aphthona cyparissiae Aphthona czwalinae Aphthona flava Aphthona lacertosa Aphthona nigriscutis Chamaesphecia hungarica Hyles euphorbiae Oberea erythrocephala Spurgia esulae
Musk Thistle and Plumeless Thistle Control Agents
Rhinocyllus conicus Trichosirocalus horridus
Toadflaxes Control Agents
Brachypterolus pulicarius Calophasia lunula Eteobalea intermediella Eteobalea serratella Gymnetron antirrhini Gymnetron linariae Gymnetron netum Mecinus janthinus
Tropical Soda Apple
Gratiana boliviana
St. Johnswort Control Agents
Chrysolina quadrigemina
Podisus maculiventris feeding on a Colorado potato beetle larva