Tetraglossula anthracina (Michener, 1989)

Almeida, Eduardo A. B. & Gibran, Nadia S., 2017, Taxonomy of neopasiphaeine bees: review of Tetraglossula Ogloblin, 1948 (Hymenoptera: Colletidae), Zootaxa 4303 (4), pp. 521-544 : 527-529

Tetraglossula anthracina (Michener, 1989)

( Figures 2 , 3 , 14 A–D, 15A–C, 16A, 17A,E, 18A,B)

Leioproctus (Tetraglossula) anthracinus Michener, 1989 , 696. Type depository: holotype SEMC ♂ (examined); type locality: Brazil, São Paulo, São Carlos; paratypes SEMC ♀ ♂, paratypes DZUP ♀ ♂.

Tetraglossula anthracina ; generic combination by Moure, Graf & Urban 1999.

Diagnosis. Distinguished by overall dark color, fuscous wings and relatively large body size (length usually 10–12 mm). Pubescence of mesosoma dark brown to dusky (in other species pale yellow or light brown). Setae on hind tibial scopa of the female simple or bifurcated (multiple branches, when present, restricted to the portion near basitibial plate); metasoma blackish generally with subtle whitish and light blue hues; the relatively broad impunctate band on marginal area of T1 (wider than one flagellar diameter); punctation on disc of T1 of female minute and very sparse, with few coarser punctures intermixed. In many, but not all specimens studied, the clypeus has a distinctive impunctate median longitudinal band (slender than flagellar diameter, but noticeable when present).

Male genitalia and hidden sterna S6–S8: Figs 14 A–D, 15A–C. Michener (1989, 696) remarked that hidden sterna and genitalia of T. anthracina and T. fucosa were similar, therefore he only presented illustrations of the male S7, S8 and genitalia of the latter (Michener 1989, Fig. 13 A–I). Basal lobe of S7 ( Fig. 14 C) broad, pilose, and trapezoid, partly superposed with the apical lobe; medial sclerotized region positioned proximally to apical and basal lobes of S7 unique in shape and very long in comparison with other species ( Fig. 14 F,J,N,S). Apical lobe of S8 subequal to disc in profile ( Fig. 14 D).

Distribution ( Fig. 19 ): BRAZIL: Distrito Federal [MOURE], Goiás [MOURE], Minas Gerais (Belo Horizonte [UFMG:10], Gonçalves [UFMG:2], Ouro Preto [UFMG:1], Sabará [UFMG:4], Santana do Riacho [UFMG:9]), Paraná (Curitiba [RPSP:1, SEMC:4]), Rio Grande do Sul (São Francisco de Paula [RPSP:3]), São Paulo (Barueri [MZUSP:1], Botucatu [MZUSP:1], Campos do Jordão [MZUSP:1], Garça [MZUSP:1], Itirapina [RPSP:7], São Carlos [BBSL:2, SEMC:9]). In addition to information obtained from specimens examined during this study, the above distribution records include additional state-level data from the Moure Catalogue of Neotropical Bees ( Moure et al. 2012), listed as ‘MOURE’.

Additional comments. Four nuclear gene loci of Tetraglossula anthracina were sequenced for the phylogenetic study of Almeida and Danforth (2009) and are available in GenBank: elongation factor 1 alpha (F2 copy), LW-rhodopsin, wingless, and 28S rRNA (accession numbers: DQ884591 , DQ884498 , DQ884737 , DQ768480 ).

Figures

FIGURE 2. Holotype (♂) of Leioproctus (Tetraglossula) anthracinus Michener, 1989 [SEMC]: (A) lateral habitus; (B) dorsal habitus; (C) frontal view; (D) metasoma, dorsal view; (E) labels attached to the specimen. Ownership rights to these images and their copyright belong to SEMC (Snow Entomological Museum Collection). Scale bars = 1.0 mm.

FIGURE 3. Allotype (♀) of Leioproctus (Tetraglossula) anthracinus Michener, 1989 [SEMC]: (A) lateral habitus; (B) dorsal habitus; (C) frontal view; (D) mesosoma, dorsal view; (E) metasoma, dorsal view; (F) labels attached to the specimen. Ownership rights to these images and their copyright belong to SEMC (Snow Entomological Museum Collection). Scale bars = 1.0 mm.

FIGURE 13. Tetraglossula deltivaga Ogloblin, 1948, ♀, Ribeirão Preto, São Paulo, Brazil [RPSP- 121831]: (A) lateral habitus; (B) dorsal habitus; (C) frontal view; (D) metasoma, dorsal view; (E) labels attached to the specimen. Scale bars = 1.0 mm.

FIGURE 14. Male metasomal sterna VI (ventral view), VII (dorsal view), and VIII (dorsal and lateral views) of Tetraglossula spp.: (A – D) T. anthracina (Michener) [specimen from Brazil, MG, Santana do Riacho-UFMG IHY- 4683]; (E – H) T. bigamica (Strand) [specimen from Brazil, RS, Rosário do Sul-RPSP- 162186]; (I – L) T. deltivaga Ogloblin [Brazil, SP, Ribeirão Preto- RPSP]; (M – P) T. fucosa (Michener) [Brazil, SP, Ribeirão Preto-RPSP]; (R – U) T. meloi Almeida & Gibran, sp. n. [Holotype, RPSP # 951577]. ALb, apical lobe of S 7; BLb, basal lobe of S 7; LLb, lateral lobe of S 7; LPr, lateral process of S 8; MPr, median process of S 8; scale bars = 0.2 mm. Scale bars = 0.2 mm.

FIGURE 19. Geographical distribution of Tetraglossula (left) indicated by the minimum convex polygon constructed using the individual occurrence points for all six species of the genus; individual records for each species shown on the maps on the right.