title: Stegomyia mosquitoes in Mayotte, taxonomic study and description of Stegomyia pia n. sp.
abstract: Four mosquito species, including a new species of the genus Stegomyia, are reported from Mayotte in the western Indian Ocean. The most abundant species were Stegomyia aegypti and St. albopicta. Only one species of the St. simpsoni group was observed, St. bromeliae. The fourth species is Stegomyia pia Le Goff & Robert n. sp. of which the larva, pupa, male and female are here described. The larval stages of St. pia n. sp. are morphologically similar to St. aegypti but differ in the number of branches of the seta 1-X; the adult is morphologically distinct for a number of characters, for instance the scutal ornamentation. Stegomyia pia n. sp. is uncommon but not rare, and largely distributed across Mayotte. Its larval habitats are natural and diverse including rock pools, tree holes, and cut and severed bamboos. The biology of adults remains unknown, especially female biting behaviour. Both morphological characters and nucleotide sequences of the ITS2 and COI genes indicate that this species is best placed in the genus Stegomyia. Dichotomous keys to the four species of Mayotte Stegomyia are presented for adults and fourth-instar larvae. The potential vector role of these mosquitoes is hypothesised. This paper underlines advances in knowledge of the biodiversity in the French overseas departments and territories.
authors.affiliation: IRD, UMR MIVEGEC, 911 Avenue Agropolis, BP 64501, 34394 Montpellier Cedex 5, France.
authors.forename: Gilbert
authors.initials: G
authors.lastname: Le Goff
authors.forename: Cécile
authors.initials: C
authors.lastname: Brengues
authors.forename: Vincent
authors.initials: V
authors.lastname: Robert
mesh_terms: D000330:Aedes / Q000033:anatomy & histology / Q000145:classification* / Q000235:genetics; D000818:Animals; D001483:Base Sequence; D017507:Comoros; D004247:DNA / Q000737:chemistry; D021903:DNA, Ribosomal Spacer / Q000737:chemistry / Q000235:genetics; D003576:Electron Transport Complex IV / Q000235:genetics; D005260:Female; D008297:Male; D008928:Mitochondria / Q000201:enzymology; D008969:Molecular Sequence Data; D009245:NADH Dehydrogenase / Q000235:genetics
chemical_list: D021903:DNA, Ribosomal Spacer; D004247:DNA; D009245:NADH Dehydrogenase; D003576:Electron Transport Complex IV
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