Ischnus inquisitorius atricollaris
(Walsh, 1873)
Ischnus inquisitorius atricollaris is a of ichneumon in the . It was first described by in 1873. The subspecies is distinguished from the nominate form by its dark collar marking. It belongs to a of wasps whose members attack wood-boring .
Pronunciation
How to pronounce Ischnus inquisitorius atricollaris: //ˈɪs.nəs ɪnˌkwɪ.zɪˈtɔːr.i.əs ˌæ.trɪ.kəˈlɛər.ɪs//
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Identification
Distinguished from Ischnus inquisitorius inquisitorius by the presence of a dark collar marking. As with many , precise identification requires examination of subtle color pattern differences and may need confirmation.
Habitat
Associated with woodland and forested areas where occur in dead or dying wood.
Distribution
Documented from Belgium (including Brussels-Capital Region, Flemish Region, and Walloon Region) and Calgary, Canada. The disjunct distribution suggests either widespread occurrence with limited sampling or possible introduction events.
Host Associations
- Wood-boring beetle larvae (Coleoptera) - Inferred from -level biology; Ischnus are known of wood-boring .
Ecological Role
of wood-boring , contributing to natural of these forest .
Similar Taxa
- Ischnus inquisitorius inquisitoriusNominate ; distinguished by absence of dark collar marking.
- Other Ischnus speciesRequire examination of , color patterns, and other subtle morphological features for separation.
More Details
Taxonomic note
This was described by Benjamin Dann , an early known for his work on of the Midwest. The description dates to 1873.