Gnadochaeta nigrifrons
This record describes Gnadochaeta nigrifrons (species). Recorded family: Tachinidae. Recorded order: Diptera.
Identification and Appearance
See notes on images, such as this one: Eyes usually thickly pubescent in the male, median marginal setae present on the first visible abdominal segment in males, also present in the second visible abdominal segment in both sexes. Profile of the frontal vitta/parafrontals said by CHT Townsend to protrude and be prominent, only gently sloping. In his 1915 revision, the key characterizes this species as having the apical cell (cell R4+5, cell 5R, etc) normally closed and ending, and thus also tip of vein M1, exactly at or very near the wing's very tip. However, in his Manual of Myiology, the key foregoes this character and the description for Ennyommopsis (which includes G. nigrifrons) says instead that cell 5R open nearly [the length of crossvein r-m] before wing tip. Important to note one of many such examples of inconsistecy in Townsend's works.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Diptera (Flies)
- Superfamily
- Oestroidea
- Family
- Tachinidae (Parasitic Flies)
- Subfamily
- Tachininae
- Tribe
- Myiophasiini
- Genus
- Gnadochaeta
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e. Canada to Mexico
Diet and Behavior
Diet: recorded hosts: Curculio spp., Conotrachelus affinis
Additional species information
Species notes from the sources
Etymology: Gnadochaeta nigrifrons ( Townsend 1892)
About Flies: the wider group
Order-level background for Diptera, the group containing Gnadochaeta nigrifrons. Species-specific details appear above.
Group overview
Diptera includes over 150,000 described species of flies, mosquitoes, and midges. Mosquitoes are the deadliest animal on Earth (CDC). Malaria alone causes ~249 million cases and over 608,000 deaths annually, mostly children under 5 (WHO). Vector-borne diseases account for over 17% of all infectious diseases, causing 700,000+ deaths per year.
Ecological role of the group
Despite their disease impact, flies are critical decomposers and pollinators. Hoverflies alone pollinate hundreds of crop and wildflower species. Flies are also the primary food source for many birds, bats, and fish. Forensic entomology relies heavily on fly species for crime scene analysis.
Economic and practical significance of the group
In the U.S., vector-borne disease cases tripled between 2004-2016, with over 640,000 cases reported in that period (CDC). Tickborne diseases doubled from 22,000 to 48,000 annual reports. Globally, mosquito-borne diseases cost billions in healthcare and lost productivity.
Recorded sources for this group: WHO, CDC, PNAS. Imported estimates may describe particular regions or reporting periods.
Photos of Gnadochaeta nigrifrons (5)
Photo credits: Contributed by Cotinis; Additional contributions by v belov , Arturo Santos
Frequently Asked Questions About Gnadochaeta nigrifrons
What is Gnadochaeta nigrifrons?
Gnadochaeta nigrifrons is a species in the family Tachinidae, within the order Diptera.
How do you identify Gnadochaeta nigrifrons?
See notes on images, such as this one: Eyes usually thickly pubescent in the male, median marginal setae present on the first visible abdominal segment in males, also present in the second visible abdominal segment in both sexes. Profile of the frontal vitta/parafrontals said by CHT Townsend to protrude and be prominent, only gently sloping. In his 1915 revision, the key characterizes this species as having the apical cell (cell R4+5, cell 5R, etc) normally closed and ending, and thus also tip of vein M1, exactly at or very near the wing's very tip. However, in his Manual of Myiology, the key foregoes this character and the description for Ennyommopsis (which includes G. nigrifrons) says instead that cell 5R open nearly [the length of crossvein r-m] before wing tip. Important to note one of many such examples of inconsistecy in Townsend's works.
Where is Gnadochaeta nigrifrons found?
Range: e. Canada to Mexico
What does Gnadochaeta nigrifrons eat?
The diet of the Gnadochaeta nigrifrons includes recorded hosts: Curculio spp., Conotrachelus affinis.