Strongygaster
Macquart, 1834
Species Guides
2- Strongygaster didyma
- Strongygaster triangulifera(bristle fly)
Strongygaster is a of tachinid flies (Diptera: Tachinidae) comprising at least 10 described distributed across the Americas. The genus is notable for its lifestyle, with attacking a broad range of . Strongygaster triangulifera is the most extensively studied species, documented as a parasitoid of adult Coleoptera across multiple , with additional records from Hemiptera, Dermaptera, Orthoptera, and Lepidoptera. The genus has been reported from North, Central, and South America.
Pronunciation
How to pronounce Strongygaster: //strɒnˈdʒiːɡæstər//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images
Distribution
North America (widespread, including eastern and western regions), Central America, and South America (Argentina, Brazil). Distribution records exist for Sweden and Norway (GBIF).
Host Associations
- Chauliognathus pennsylvanicus - Cantharidae; first record for Cantharidae
- Harmonia axyridis - Coccinellidae; in western North America
- Coccinella trifasciata perplexa - Coccinellidae; <1% parasitization in Ontario
- Coleomegilla maculata lengi - Coccinellidae; <1% parasitization in Ontario
- Megacopta cribraria - Plataspidae; pest in Alabama
- Aphodius fimetarius - Scarabaeidae; first scarab record
- Alleculidae (multiple species) - Coleoptera
- Bruchidae (multiple species) - Coleoptera
- Chrysomelidae (multiple species) - Coleoptera
- Cleridae (multiple species) - Coleoptera
- Coccinellidae (multiple species) - Coleoptera
- Curculionidae (multiple species) - Coleoptera
- Lampyridae (multiple species) - Coleoptera
- Meloidae (multiple species) - Coleoptera
- Nitidulidae (multiple species) - Coleoptera
- Scarabaeidae (multiple species) - Coleoptera
- Dermaptera (multiple species) - scattered records
- Hemiptera (multiple species) - scattered records
- Orthoptera (multiple species) - scattered records
- Lepidoptera (multiple species) - scattered records
Behavior
are that attack arthropods. Strongygaster triangulifera primarily parasitizes adult beetles, with parasitization rates varying by host: <1% in some coccinellid , and 3.0–31.1% in of the Harmonia axyridis in eastern North America.
Ecological Role
that may contribute to regulation of , including both and pests such as Harmonia axyridis and Megacopta cribraria.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Strongygaster triangulifera (Diptera: Tachinidae) as a Parasitoid of Adults of the Invasive Megacopta cribraria (Heteroptera: Plataspidae) in Alabama
- First report ofStrongygaster triangulifera(Diptera: Tachinidae) as a parasitoid of a cantharid beetle,Chauliognathus pennsylvanicus(Coleoptera: Cantharidae)
- FIRST RECORD OF STRONGYGASTER TRIANGULIFERA (LOEW) (DIPTERA: TACHINIDAE) AS A PARASITOID OF HARMONIA AXYRIDIS (PALLAS) (COLEOPTERA: COCCINELLIDAE) IN WESTERN NORTH AMERICA
- First Scarab Host for <i>Strongygaster Triangulifer</i> (Diptera: Tachinidae): the Dung Beetle, <i>Aphodius Fimetarius</i> (Coleoptera: Scarabaeidae)