Cremnops crassifemur
(Muesebeck, 1927)
Cremnops crassifemur is a in the Agathidinae, first described by Muesebeck in 1927. Like other members of its , it is a wasp that attacks . in this genus are relatively large compared to many other braconids and possess distinctive morphological features.
Pronunciation
How to pronounce Cremnops crassifemur: /ˈkɹɛm.nɒps ˈkɹæs.ɪˌfiː.mɜːr/
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Identification
The Cremnops is recognized by its distinctive elongate, horse-like with a narrow extended (), superficially resembling the mythological Pegasus. Within the genus, C. crassifemur can be distinguished by its thickened , as indicated by the specific epithet 'crassifemur' (from Latin 'crassus' meaning thick and 'femur' meaning thigh). Detailed identification to level typically requires examination of morphological characters, often necessitating microscopic analysis.
Habitat
Terrestrial . Members of the are frequent visitors to flowers, where they use their elongated mouthparts to for nectar.
Distribution
North America. Present according to GBIF distribution records.
Diet
of . Members of the Cremnops are known to attack caterpillars in the and Crambidae. The female lays in caterpillar ; typically one wasp develops as an internal , though some in the genus are gregarious.
Host Associations
Life Cycle
Internal of . Female hunt caterpillars and lay inside them. The wasp develops internally within the caterpillar.
Behavior
Female hunt to serve as for their offspring. are frequent visitors to flowers, using their elongated mouthparts to for nectar—a that distinguishes them from most other wasps.
Ecological Role
agent of lepidopteran , particularly and crambid . Acts as a defender of plants under lepidopteran attack by parasitizing herbivorous caterpillars.
Human Relevance
Potential agent for agricultural pests. Crambidae are often of biological and agricultural concern, and in this may help regulate their . Some in the Agathidinae are occasionally employed as biological control agents.
Similar Taxa
- AgathisAlso in Agathidinae with narrow extended ; distinguished by -level morphological characters
- BassusAlso in Agathidinae with narrow extended ; generic boundaries have been subject to taxonomic revision
- LytopylusRecently resurrected split from Bassus; also in Agathidinae with similar facial elongation
- IchneumonidaeSuperficially similar in the superfamily ; distinguished by and other morphological features
More Details
Taxonomic History
First described by Muesebeck in 1927. The specific epithet 'crassifemur' refers to the thickened characteristic of this .
Genus Characteristics
The 'Pegasus ' has been proposed for members of the Cremnops due to their superficial resemblance to the mythological winged horse, including the elongate equine-like and .