Limonia triocellata

Limonia triocellata is a species of limoniid crane fly in the family Limoniidae.[1][2][3][4] Three eye-like spots can be found on each of its wings, from which it derives its scientific name.[2] It can be found primarily in the eastern United States and Canada[5][6] especially during either of its two flight periods from May-June and September-October.[7]

Limonia triocellata
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Limoniidae
Tribe: Limoniini
Genus: Limonia
Species:
L. triocellata
Binomial name
Limonia triocellata
(Osten Sacken, 1859)
Synonyms[1]
  • Limnobia triocellata (Osten Sacken, 1859)

Description
A diagram of the wing venation and markings of Limonia triocellata

Adult flies are medium to small for crane flies, with a body approximately 8-12mm in length.[7] The mesonotum is a glossy yellow and has four brown markings on either end. Four more elongated markings can be found on the scutum facing slightly inwards back towards the mesonotum. Between the mesonotal prescutum and the scutum there is a V-shaped suture distinctive to all Limoniinae. Though many Limonia species have an elongated terminal palpus,[8] those present on L. triocellata are blunt. The antennae consist of 14 segments, characteristic of Limonia genus. Brown patches exist on the wings in addition to the ocelli, especially towards the ends of veins.[7] The tip of the abdomen determines sex, with the male abdomen terminating in a club-shaped hypogium while the female's ends in a pointed ovipositor.[8]



References
  1. "Limonia triocellata Report". Integrated Taxonomic Information System. Retrieved 2018-05-04.
  2. "Limonia triocellata Species Information". BugGuide.net. Retrieved 2018-05-04.
  3. Krivosheina, N.P. (2012). "Analysis of the taxonomic structure of the crane fly family Limoniidae (Diptera) based on the larval characters". Entomological Review. Springer. 92 (8): 919–931. doi:10.1134/S0013873812080118.
  4. "Catalogue of the Craneflies of the World". 2018. Retrieved 2018-05-04.
  5. "Limonia triocellata Observations (inaturalist.org)". Retrieved 2021-02-04.
  6. "Limonia triocellata Observations (gbif.org)". Retrieved 2021-02-04.
  7. "The Crane Flies of Pennsylvania: Limoniinae". 2005. Retrieved 2021-02-04.
  8. "The Crane Flies of Pennsylvania: Crane Fly Morphology". Retrieved 2021-02-04.


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