Gasteruption kaweahense
Gasteruption kaweahense is a of in the , commonly known as carrot wasps. Like , it possesses the family's distinctive enlarged hind and elongated neck. The species is known from limited observations. As with other gasteruptiids, females likely parasitize of solitary by depositing into nests using a long .
Pronunciation
How to pronounce Gasteruption kaweahense: /ɡæstəˈɹʌpʃən kæwiˈæhɛnsɛ/
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Identification
Distinguished from ichneumon by fewer antennal (13-14 vs. many more). Separated from wasps such as Ammophila by high abdominal attachment on and swollen hind . -level identification relies on thorax texture and color pattern. Distinguished from other Gasteruption species by specific thoracic sculpturing details (exact characters require examination).
Images
Appearance
Slender with elongated body. Pronounced neck between and . attached high on thorax, not between hind legs. Hind distinctly swollen. with 14 in females, 13 in males. long, sometimes with tip. Size range typical for : approximately 13-40 mm including ovipositor.
Habitat
Associated with supporting solitary . Likely found in areas with twig-nesting or wood-boring bee . observed at flowers, particularly umbelliferous blooms.
Distribution
Specific distribution details for G. kaweahense are not well documented. The Gasteruption occurs across North America with multiple in eastern and western regions.
Seasonality
activity likely peaks in late spring (latter half of May) and mid-summer (July), based on .
Host Associations
- Solitary bees - Specific records for G. kaweahense not documented; generally parasitizes of solitary in twig or wood-boring nests
Life Cycle
Females into nests using long . feed on pollen, nectar, or stores intended for host larvae rather than consuming the host larva directly. Developmental details otherwise poorly known.
Behavior
Females exhibit vertical and horizontal leg swaying during near nests, possibly to detect from hosts. Enlarged hind filled with tissue adjacent to subgenual organ may amplify vibrational .
Ecological Role
of solitary ; regulates of soil-nesting and twig-nesting bee .
Human Relevance
Non-stinging; visit flowers and may contribute to . of stinging may confer protection from .
Similar Taxa
- Ichneumon waspsSimilar slender build but distinguished by antennal count and abdominal attachment point
- Ammophila (Sphecidae)Similar overall form but lacks swollen hind and high abdominal attachment
- Other Gasteruption speciesRequire examination of thoracic sculpturing and coloration for separation
More Details
Leg structure
Enlarged hind contain tissue and oenocytes, structures normally found in . Highly expressed genes in tibiae linked to detoxification, lipid synthesis, and mechanoreception.
Vibrational detection
in positioned adjacent to subgenual organ, suggesting of from in nests.