Megalopta (Megalopta) aegis ( Vachal, 1904 )

Santos, Leandro M. & Silveira, Fernando A., 2009, Taxonomic notes on Megalopta Smith, 1853 (Hymenoptera: Halictidae: Augochlorini) with a synopsis of the species in the state of Minas Gerais, Brazil, Zootaxa 2194, pp. 1-20 : 9-10

Megalopta (Megalopta) aegis ( Vachal, 1904)

( Figs. 3 , 7 , 14)

Halictus aegis Vachal, 1904: 115 . Holotype male, Jataí, Goiás (MNHP: examined). Jatay (Goyaz); aegis 3 Vach. (handwritten); Halictus aegis 3, Vach.; HOLOTYPE

Diagnosis. Ƥ /3: Body length 11.5–12.6 mm. Lateral surface of metaposnotum reticulate; posterior margin of metaposnotum gently curved, metaposnotum gradually narrowing laterad; disc of scutellum gently convex; dorsal surface of axilla and contiguous antero-lateral margin of scutellum below level of disc of scutellum; posterior margin of scutellum raised above metanotum; pubescence of metanotum dense, hiding the surface of its integument in oblique view; metepisternal process wide, covered by velvety pilosity; metaposnotum ferruginous, with short longitudinal rugae throughout its surface, always shoter than metanotum; pubescence of metepisternum sparse. 3. disc of S3 flat, mid-longitudinal sulcus deep and narrow throughout most of its length, widening as it approaches marginal zone of sternum; posterior margin of discal lobe slanting to rear, continuous with surface of marginal zone of sternum; marginal lobes of S3 long, well separate from each other; protruding process of S4 triangular, its anterior edge gently curved, with a brush of short hairs on posterior surface.

Material examined. A total of 72 specimens (70 ƤƤ and 2 3) of the following localities: GOIÁS. Caldas Novas, Parque Estadual da Serra de Caldas Novas, 19/10/2007 [Augusto, S.C.] (2 Ƥ Ƥ, 1 3) { UFMG}; 20/10/2007 [Augusto, S.C.] (13) { UFMG}. MINAS GERAIS. Buritis, Ribeirão Confins, 29-31/10/ 1964 [Exp.Dep.Zool.] (2 Ƥ Ƥ) { MZUSP}. Caratinga, Estação Biológica de Caratinga, 400 m, 29/ 01-03/02/ 2003 [Mielke & Casagrande] (1 Ƥ) { DZUP}. Dionísio, 13-21/11/89 (1 Ƥ) [W.G. de Campos]{ MEUV}. Ipanema, Fazenda Montes Claros, 13 km NE de Ipanema, 400m, 29-30/01/2003 [Mielke & Casagrande] (6 Ƥ Ƥ) { DZUP}. Jaboticatubas, Serra do Cipó, 07/10/2002 [E.O.Machado] (1 Ƥ) { UFMG}. Marliéria, Parque Estadual do Rio Doce, 13-18/01/1978 [D’Andretta & Pereira] (3 Ƥ Ƥ) { UFMG}; 09/03/1994 [O.Mielke] (1 Ƥ) { DZUP}; 1o/10/1997 [D.A.Yanega] (1 Ƥ) { UFMG}. Morro da Garça, 18-20/10/1964 [Exp. Dep. Zool.] (5 Ƥ Ƥ) { MZUSP}. Santana do Riacho, Serra do Cipó, 12/03/1997 [D.A.Yanega] (9 Ƥ Ƥ){ UFMG}; 21/04/ 1998 [R.M.Carmo] (1 Ƥ) { UFMG}. São Gonçalo do Rio Abaixo, EPDA de PETI, 11/01/2003 [C.F.Cardoso] (3 Ƥ Ƥ) { UFMG}; 30/05/2003 [L.M. Santos] (1 Ƥ) { UFMG}; 31/05/2003 [idem] (1 Ƥ) { UFMG}; 14/11/ 2003 [A.F.Kumagai] (3 ƤƤ) { UFMG}; 15/11/2003 [idem] (4 ƤƤ) { UFMG}; 30/09/2005 [L.M. Santos] (3 Ƥ Ƥ) { UFMG}; 1o/10/2005 [idem] (4 ƤƤ) { UFMG}; 28/04/2006 [idem] (5 ƤƤ) { UFMG}. São Gonçalo do Rio Preto, Parque Estadual do Rio Preto, 18/10/2000 [J.A.Lombardi] (1 Ƥ) { UFMG}; 03/04/2003 [idem] (1 Ƥ) { UFMG}; 15/10/2003 [F.S. Faria] (1 Ƥ) { UFMG}; 17/09/2003 [L.R.R.Faria Jr] (1 Ƥ) { UFMG}; 25/09/ 2003 [idem] (1 Ƥ) { UFMG}. Três Marias, Estação Pirapitinga, 01/05/1998 [D.A.Yanega] (2 ƤƤ) { UFMG}. Unaí, Fazenda Bolívia, 22-24/10/1964 [Exp. Dep. Zool.] (6 ƤƤ) { MZUSP}. Viçosa, Córrego do Paraíso, mata da Prefeitura, sem data [P.S.Fiuza F.] (1 Ƥ) { MEUV}.

Distribution. BRAZIL (GOIÁS, MINAS GERAIS).

Figures

FIGURE 3. Megalopta aegis (Vachal, 1904), female: postero-lateral view of mesosoma. FIGURE 4. Megalopta sodalis (Vachal, 1904), female: postero-lateral view of mesosoma. FIGURE 5. Megalopta amoena (Spinola, 1853), female: postero-lateral view of mesosoma. FIGURE 6. Megalopta guimaraesi sp. n., female: postero-lateral view of mesosoma.

FIGURE 7. Megalopta aegis (Vachal, 1904), male: ventral view of metasoma. The arrow indicates the mid-longitudinal depression of S 3.