Coelioxoides piscicauda sp. nov., a new cuckoo bee from southeastern Brazil with a key to the species of Coelioxoides Cresson (Hymenoptera: Apidae) Author Rocha-Filho, Léo Correia Da Author Serrano, José Carlos Author Garófalo, Carlos Alberto text Zootaxa 2017 2017-12-13 4363 4 535 543 journal article 31167 10.11646/zootaxa.4363.4.5 8d3ebbcd-55af-48a3-a7e5-525abb06c324 1175-5326 1114989 A82FCBB1-FE4C-49C8-B1FB-C35B5AEE3234 Key to species of Coelioxoides [Modified from Roig-Alsina (1990)] 1 Forewing with a hyaline band extending from the apex of marginal cell to at least the apex of second medial cell ( Fig. 3A ). Females: S6 apex bifid ( Fig. 3B ). Males: S6 disc covered with pale, subappressed, and plumose hairs................... 2 - Forewing with an elliptical hyaline spot beyond the apex of marginal cell ( Fig. 3C ). Females: S6 apex cylindrical, subacute ( Fig. 3D ). Males: S6 disc covered with brownish, subappressed, and plumose hairs................................. 3 2 Gena, lateral margins of scutellum, metanotum, and propodeum ( Fig. 4A ) with conspicuous patches of pale pubescence. Apical fasciae of metasomal terga with pale, plumose hairs. Second abscissa of M+Cu of hindwing 4–4.5 times as long as cu-v. Females: S5 with a discrete ridge medially, never carinate ( Fig. 4B ). Males: S4–S5 apical margins slightly concave, with dense fringes of brown, long, curved apically hairs ( Fig. 4C ) (Brazil)....................... Coelioxoides piscicauda sp. nov. - Gena, lateral margins of scutellum, metanotum, and propodeum ( Fig. 4D ) with inconspicuous pale and/or dark brown pubescence. Apical fasciae of metasomal terga indistinct, narrow to absent. Second abscissa of M+Cu of hindwing 6 times as long as cu-v. Females: S5 carinate medially ( Fig. 4E ). Males: S4–S5 apical margins projected medially into hairy, pointed triangle processes ( Fig. 4F ) (South America)............................................... Coelioxoides exulans (Holmberg) 3 Gena with dense patch of pale pubescence along eye. Scutellum with dense, conspicuous patches of pale pubescence on lateral margins ( Fig. 5A ). Apical fascia on T1 uniform or narrowed medially. Depression before pronotal lobe oval, 2–2.75 times as long as broad ( Fig. 5B ). Males: S4–S5 apical margins with dense fringes of brown, curved apically hairs ( Fig. 5C ); Apical processes of T7 hidden by long, dark drown pubescence ( Mexico , Central America )........ Coelioxoides punctipennis Cresson - Gena with scattered brownish hairs along eye. Scutellum with inconspicuous patches of blackish pubescence or few pale hairs on lateral margins ( Fig. 5D ). Apical fascia on T1 enlarged medially. Depression before pronotal lobe elongate, 4–4.5 times as long as broad ( Fig. 5E ). Males: S4–S5 apical margins with inconspicuous fringes of brown, straight hairs, barely surpassing apical margin of sterna ( Fig. 5F ); Apical processes of T7 exposed, never hidden by dark brown pubescence (South America)............................................................................. Coelioxoides waltheriae Ducke