Monodontomerus thorpi

This species can be distinguished from other Monodontomerus species by the specific morphological features described in the original 2000 description by Grissell. Detailed identification requires examination of microscopic characters including wing venation, antennae segmentation, and body sculpturing. It should be compared against other North American Monodontomerus species, particularly those with overlapping geographic ranges in the southwestern United States.

Recorded from Arizona and Texas, suggesting association with arid and semi-arid environments of the southwestern United States. As a parasitoid of gall wasps, its habitat is linked to that of its hosts, which typically occur on oak (Quercus) species and other plants that support cynipid gall formation.

Known from Arizona and Texas, United States. Distribution records are limited to these two states based on available occurrence data.

• Cynipidae - parasitoidMonodontomerus species are known parasitoids of cynipid gall wasps; specific host records for M. thorpi are not documented

Functions as a parasitoid, likely contributing to population regulation of gall-forming insects. This trophic role may indirectly influence plant health by affecting gall wasp densities on host plants.

No direct economic or medical significance to humans is documented. Indirect relevance may include potential use in biological control of pest gall wasps, though this has not been specifically investigated for this species.

• Monodontomerus obscurusOverlapping geographic range in southwestern North America and similar size and general morphology; requires detailed examination of antennae and wing characters for separation
• Other Monodontomerus speciesGenus-level similarity in body form and coloration; species-level identification relies on microscopic characters of the mesosoma and appendages

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• Catalogue of Life