Dexiini
Genus Guides
18Dexiini is a tribe of tachinid flies ( Tachinidae) comprising approximately 130 distributed worldwide. Members are flies whose larvae develop inside . The tribe is particularly diverse in the Australasian region, where systematic revisions have clarified relationships among genera.
Pronunciation
How to pronounce Dexiini: /dɛkˈsiː.aɪ.naɪ/
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Identification
Dexiini can be distinguished from other tachinid tribes by the combination of long legs, distinct abdominal setae, and overall elongate body shape. Some possess a carinate (keeled) scutellum, a trait correlated with of soil-dwelling scarabaeid beetles. Non-carinate genera typically attack wood-dwelling cerambycid beetles.
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Distribution
Worldwide distribution with notable diversity in the Australasian region. Present in the Neotropical region (e.g., Argentina).
Host Associations
- Scarabaeidae - larval carinate parasitise larvae of soil-dwelling scarabaeid beetles
- Cerambycidae - larval non-carinate attack mainly wood-dwelling cerambycid beetles
Ecological Role
agents through of larvae. The tribe's two main lineages have radiated in distinct adaptive zones, utilizing in separate .
Similar Taxa
- other Tachinidae tribesDexiini distinguished by long legs, distinct abdominal setae, and elongate body shape; molecular and morphological data place them within Dexiinae
More Details
Systematic history
Australasian Dexiini have undergone extensive revision, increasing recognized from 47 to 85 in 14 valid . Six new genera were described: Patulifrons, Rasiliverpa, Cantrellius, Gemursa, Paulipalpus, and Effusimentum.