Parnopes edwardsii

cuckoo wasp

Parnopes edwardsii is a parasitic cuckoo wasp in the Chrysididae, native to western North America. The exhibits metallic blue-green coloration typical of chrysidid . Females are nest of sand wasps, specifically targeting burrows of species in the Steniolia and related crabronid wasps.

Pronunciation

How to pronounce Parnopes edwardsii: /ˈpɑːrnoʊpiːz ˌɛdwərdˈziːaɪ/

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Identification

Distinguished from other cuckoo wasps by geographic range (west of Rocky Mountains) and association with sand wasps. Members of Parnopes are among the larger chrysidid . Specific diagnostic features for -level identification require examination of microscopic characters not documented in available sources.

Appearance

Metallic blue-green coloration. As a member of Chrysididae, likely possesses the heavily sculptured, brilliant metallic characteristic of cuckoo wasps. The exoskeleton is extremely tough, providing effective armor against the stings of .

Habitat

Associated with the nesting sites of sand wasps, which typically nest in dry, powdery or sandy soils in arid and semi-arid western North American .

Distribution

Native to North America west of the Rocky Mountains. Range extends across western United States including California and Pacific Northwest states.

Host Associations

Steniolia elegans - nest Documented ; female P. edwardsii lays in host burrow, larva consumes host larva and stored food
Bembix americana - likely nest Inferred based on -level records for related European Parnopes grandior

Life Cycle

Females locate burrows of solitary sand wasps and deposit within. The larva hatches and consumes the larva along with any stored food provisions. occurs within the host .

Behavior

Solitary females search for nests. Exhibits cuckoo-like parasitic by exploiting the nesting efforts of other without providing parental care.

Ecological Role

of solitary ; control of sand wasp . Part of the broader chrysidid wasp that regulates populations of solitary Hymenoptera.

Similar Taxa

Parnopes grandiorEuropean with similar and appearance; not found in North America
Other ChrysididaeShare metallic coloration and parasitic lifestyle; distinguished by specificity and geographic range

More Details

Taxonomic Note

The Parnopes is one of several genera within Chrysididae that exhibit cuckoo of solitary . The Chrysididae contains over 3000 described , with the group being most diverse in arid regions.

Research History

The Chrysididae was a major research focus of Richard M. Bohart, founder of the Bohart Museum of Entomology at UC Davis, who identified over one million insect specimens during his career.