Ibalia anceps

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Hymenoptera
Superfamily: Cynipoidea
Family: Ibaliidae
Genus: Ibalia
Species: anceps

Pronunciation

How to pronounce Ibalia anceps: //ɪˈbeɪliə ˈænsɛps//

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Summary

Ibalia anceps is a parasitoid wasp species in the family Ibaliidae, primarily found in North America. Adults are notable for their yellow coloration and distinct wing patterns, and the larvae develop within Tremex larvae.

Physical Characteristics

Predominantly yellow with black markings on head, thorax, and abdomen; first hind tarsal segment longer than remaining segments combined; second hind tarsal segment has long apical process extending to tip of 4th tarsal segment; abdomen compressed laterally (almost knife-like) and longer than head and thorax combined; antenna 13-segmented in female, 15-segmented in male; forewing mottled with brown spots.

Identification Tips

Three recognized morphs differing in wing color pattern.

Habitat

Adults may be seen ovipositing on hickory trees.

Distribution

Found in the eastern United States and southeastern Canada, ranging from Nova Scotia to Ontario, Wisconsin, and Colorado to Florida and Texas.

Diet

Larvae parasitize larvae of Tremex (Siricidae).

Life Cycle

Adults may be seen ovipositing on hickory trees, where larvae develop within Tremex larvae.

Reproduction

Oviposition occurs on hickory trees, where eggs are laid in the host species, Tremex.

Ecosystem Role

As a parasitoid, it plays a role in regulating the populations of its host species.