Hadronotus pennsylvanicus (parasitoid)

Hadronotus • Platygastridae • Hymenoptera parasitoids • Beneficials/natural enemies

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Hadronotus pennsylvanicus (= Gryon pennsylvanicum) (click on image to enlarge it)
Author(s): H. B. Doughty, J. M. Wilson, P. B. Schultz and T. P. Kuhar
Source: Journal of Integrated Pest Management, 2016, art. 1

Hadronotus pennsylvanicus (= Gryon pennsylvanicum) - dorsal view (A), side view (B), antennae (right) (click on image to enlarge it)
Author(s): Yoto Komeda et al.
Source: Journal of Hymenoptera Research (2020), vol. 80, 99-135

Hadronotus pennsylvanicus (= Gryon pennsylvanicum) - scanning EM of A) head, B) thorax dorsal, C) thorax side view (click on image to enlarge it)
Author(s): Yoto Komeda et al.
Source: Journal of Hymenoptera Research (2020), vol. 80, 99-135

Hadronotus pennsylvanicus (parasitoid) (Ashmead, 1893)

This wasp is an egg-parasitiod of several Hemiptera from the family Coreidae like Leptoglossus species . For example, in western Canada it is the most common egg-parasitiod of the western conifer seed bug, Leptoglossus occidentalis, an invasive species in Europe. It is also an important egg-parasitoid of the squash bug, Anasa tristis, accounting for over 98% of all egg-parasitoids collected from that species. In some surveys, the parasitization rate exceeded 50% of the eggs.

H. pennsylvanicus is found in North America, many parts of South America and in Japan. The colour is black with most parts of the legs being yellow.

For taxonomic reviews see Komeda et al. (2020) and Talamas et al. (2021).

Synonyms:
Gryon pennsylvanicum