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Nest architecture, immature stages, and ethnoentomology of a new species of Trigonisca from northern Colombia (Hymenoptera, Apidae). (American Museum novitates, no. 3942)

Show simple item record Engel, Michael S. Rozen, Jerome G., Jr. (Jerome George), 1928- Sepúlveda-Cano, Paula A. Smith, Corey Shepard. Thomas, Jennifer C. Ospina Torres, Rodulfo. González, Víctor H. 2019-10-17T16:36:44Z 2019-10-17T16:36:44Z 2019-10-18
dc.description 33 pages : illustrations (chiefly color), color map ; 26 cm. en_US
dc.description.abstract Stingless bees (Apinae: Corbiculata: Meliponini) are biologically and culturally important pollinators within the tropical and subtropical areas of the world. However, limited information is available for the majority of the species. Biological and systematic data are presented for a new species of Trigonisca Moure, from the arid region of La Guajira, Colombia. The genus is part of the distinctive Trigonisca genus group, noteworthy for its position as the earliest diverging extant lineage of neotropical stingless bees. We briefly diagnose the genus group and provide a key to the genera and subgenera of the Trigonisca genus group, along with the description of Exochotrigona Engel, new subgenus. We also outline the species occurring in Colombia and present a description for Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species, including accounts of all three castes. A single, poorly preserved egg is noteworthy because of its extremely small size. Its chorion is extensively covered by a surface pattern of elevated geometric figures, as seems to be characteristic of the Meliponini. The robust mature larva, though remarkably small, exhibits extensive spiculation of dorsal body surfaces and most body segments with small, paired dorsolateral tubercles. In addition, the labral apex exhibits an apical patch of recently discovered multipronged spicules intermixed with various sensory sensilla. These morphological features of immature stages, where known, are similar to those previously reported for other Meliponini. We document the internal architecture of nests of T. mepecheu, which we found in trunks of Stenocereus griseus (Haw.) Buxb. (Cactaceae) and more commonly in Libidibia coriaria (Jacq.) Schltdl. (Fabaceae), along with nests of the only other stingless bee from La Guajira, Melipona favosa (Fabricius). Nests were also found in the sides of manufactured structures. The indigenous Wayúu harvest stingless-bee honey and have specific names in Wayuunaiki for the two species occurring in the region, although there is apparently an oral tradition in which the honey of T. mepecheu causes blindness. Trigonisca (Trigonisca) ameliae Penney from Colombian copal is a new junior synonym of T. (T.) schulthessi (Friese). en_US
dc.language.iso en_US en_US
dc.publisher American Museum of Natural History. en_US
dc.relation.ispartofseries American Museum novitates;no.3942.
dc.subject Trigonisca mepecheu. en_US
dc.subject Trigonisca. en_US
dc.subject Exochotrigona. en_US
dc.subject Stingless bees -- Nests. en_US
dc.subject Stingless bees -- Larvae -- Anatomy. en_US
dc.subject Bees. en_US
dc.subject Goajiro Indians -- Ethnozoology. en_US
dc.subject Ethnoentomology. en_US
dc.subject La Guajira (Colombia : Department) en_US
dc.subject Colombia. en_US
dc.title Nest architecture, immature stages, and ethnoentomology of a new species of Trigonisca from northern Colombia (Hymenoptera, Apidae). (American Museum novitates, no. 3942) en_US
dc.title.alternative Nest and immatures of Trigonisca. en_US

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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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