Drosophila tarphytrichia

Drosophila tarphytrichia is an endangered species of fly from Hawaii, in the species rich lineage of Hawaiian Drosophilidae. It is only found on the island of Oahu.[1] While originally collected near Manoa Falls in 1949, this fly is thought to have been extirpated from the Koʻolau Range and now only found in the Waiʻanae Range.[2] This species is a member of the lanaiensis subgroup in the picture-wing clade.[3]

Drosophila tarphytrichia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Drosophilidae
Genus: Drosophila
Species:
D. tarphytrichia
Binomial name
Drosophila tarphytrichia
(Hardy, 1965)

Description

Drosophila tarphytrichia was described in 1965 by D. Elmo Hardy.[4] The picture-wing markings in this and other closely related species are located in a stripe along the center and at the apex of the wing.[3] It is distinguished from closely related species by a flattened front tarsal segment with a dense clump of hair. These flies are predominantly yellow, with some red and brown coloration on the thorax.[1]

Drosophila tarphytrichia is known to breed in the rotting stems and branches of pāpala plants (Charpentiera).[1]

This species has been variously considered as part of the hawaiensis complex,[1] vesciseta subgroup,[5] and conspicua subgroup,[6] but recent phylogenetic analyses have established it as a member of the lanaiensis subgroup,[3] along with D. digressa, D. hexachetae, D. lanaiensis, and D. moli.

Conservation

Drosophila tarphytrichia was listed as federally endangered in 2006 along with ten other species of picture-wing Drosophila.[1] Threats to the conservation of D. tarphytrichia include loss-of-habitat, in part due to invasive pigs and goats, as well as introduced predators such as big-headed ants and yellow crazy ants.

References
  1. "Endangered and Threatened Wildlife and Plants; Determination of Status for 12 Species of Picture-Wing Flies From the Hawaiian Islands". Federal Register. Fish and Wildlife Service. May 9, 2006. pp. 26835–26852. Archived from the original on May 12, 2021. Retrieved June 21, 2022.
  2. "ECOS: Species Profile". ecos.fws.gov. Archived from the original on 2022-01-20. Retrieved 2022-06-27.
  3. Magnacca, Karl N.; Price, Donald K. (2015-11-01). "Rapid adaptive radiation and host plant conservation in the Hawaiian picture wing Drosophila (Diptera: Drosophilidae)". Molecular Phylogenetics and Evolution. 92: 226–242. doi:10.1016/j.ympev.2015.06.014. ISSN 1055-7903. PMID 26151218.
  4. Hardy, D. Elmo (1965). "Diptera: Cyclorrapha II, Series Schizophora, Section Acalyptera I, Family Drosophilidae". Insects of Hawaii. Vol. 12. The University of Hawaii Press.
  5. Magnacca, Karl N.; Foote, David; O’grady, Patrick M. (2008-03-17). "A review of the endemic Hawaiian Drosophilidae and their host plants". Zootaxa. 1728 (1): 1–58–1–58. doi:10.11646/zootaxa.1728.1.1. ISSN 1175-5334. Archived from the original on 2022-04-29. Retrieved 2022-06-30.
  6. O'Grady, Patrick; Magnacca, Karl; LaPoint, Richard T. (2010). "Taxonomic relationships within the endemic Hawaiian Drosophilidae (Insecta: Diptera)". Bishop Museum Occasional Papers. 108: 1–34.
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