Adetomyrma venatrix

Adetomyrma venatrix, more commonly known as the Dracula ant, so named because of its grisly feeding habits of drinking the blood of its young, is an endangered species of ants endemic to Madagascar. Workers of this species are blind. The species was described as the type species of Adetomyrma in 1994, with the genus being an atypical member of its tribe.

Adetomyrma venatrix
A blind worker
A winged male
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Genus: Adetomyrma
Species:
A. venatrix
Binomial name
Adetomyrma venatrix
Ward, 1994[2]

Description
Head of a blind worker

Adetomyrma venatrix was described on the basis of specimens belonging to the worker caste collected from Zombitse Forest, in western Madagascar. The key characteristics of the species was the absence of a clear petiole when viewed from above due to the third abdominal tergite (the sclerite on the dorsal side) lacking a differentiated pretergite. The gaster is large and without constrictions. The ant is blind and has a long sting. It was placed with reservations in the tribe Amblyoponini as it lacks the typical characters of the group.[3] Later studies considered them as being close to the ancestral members of the Amblyoponinae and they share certain morphological features with Amblyopone pluto such as the presence of laterosclerite.[4][5]

References
  1. Social Insects Specialist Group (1996). "Adetomyrma venatrix". IUCN Red List of Threatened Species. 1996: e.T522A13059247. doi:10.2305/IUCN.UK.1996.RLTS.T522A13059247.en. Retrieved 19 November 2021.
  2. Ward, P. S. (1994). "Adetomyrma, an enigmatic new ant genus from Madagascar (Hymenoptera: Formicidae), and its implications for ant phylogeny" (PDF). Systematic Entomology. 19 (2): 159–175. doi:10.1111/j.1365-3113.1994.tb00585.x. S2CID 85356610.
  3. Fisher, BL (1997). "Biogeography and ecology of the ant fauna of Madagascar (Hymenoptera: Formicidae)" (PDF). Journal of Natural History. 31 (2): 269–302. doi:10.1080/00222939700770141. Archived from the original (PDF) on December 20, 2021.
  4. Perrault, Gérard H. (2004). "Étude morphoanatomique et biométrique du métasoma antérieur des ouvrières. Contribution à la systématique et à la phylogénie des fourmis (Hymenoptera : Formicidae)" (PDF). Ann. Soc. Entomol. Fr. (in French). 40 (3–4): 291–371. doi:10.1080/00379271.2004.10697428. S2CID 85305392. Archived from the original (PDF) on 2013-11-05. Retrieved 2013-11-05.
  5. Grimaldi, D; D Agosti; J M Carpenter. "New and Rediscovered Primitive Ants (Hymenoptera: Formicidae) in Cretaceous Amber from New Jersey, and Their Phylogenetic Relationships" (PDF). American Museum Novitates (3208): 1–43.
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