Incasarus Gonzalez, Rasmussen, & Engel 2013, new genus
Creators: name: Gonzalez, Victor H.
name: Rasmussen, Claus
name: Engel, Michael S.
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Andrenidae
Incasarus

description: Incasarus Gonzalez, Rasmussen, & Engel, new genus   
ZooBank urn:lsid:zoobank.org:act: 7F729602-E30A-4A36-8D92-319948C72214  
 TYPE SPECIES: Incasarus garciai Gonzalez, Rasmussen, & Engel, new species.   
DIAGNOSIS: The new genus can be recognized easily by the following combination of characters: body predominantly dark brown to black with reduced yellow maculations (Figs. 4, 5); forewing with two submarginal cells; propodeum setose; mesoscutum smooth and shiny between fine, contiguous punctures (Fig. 8); dorsal surface of propodeum about as long as metanotum; anterior tentorial pit in epistomal sulcus, below intersection between outer subantennal and epistomal sulci; male seventh tergum strongly projected medially (Fig. 11); fourth sternum with two premarginal combs of thick, simple setae medially (Fig. 12); fifth sternum with long, thick, simple setae medially on premarginal line (Fig. 13); sixth sternum with broad U- or V-shaped midapical emargination (Fig. 14); seventh sternum with apodemes and apical lobes broad, short, attached to a large disc (Fig. 15); and genitalia with gonostylus about as long as gonocoxite, simple, without apical lobes or projections, with long, thick mid-ventral and apical setae, and articulated to gonocoxite (Figs. 18‒20).  
 DESCRIPTION: ♂: Moderate-sized bees (7–8 mm in length); color dark brown to black, nonmetallic, without yellow maculations except on clypeus; integument largely smooth and shiny between punctures, especially on dorsal surface of mesosoma; punctures coarser, denser on head than on meso- and metasoma; pubescence whitish, sparse, longer and denser on head and mesosoma than on metasoma; metasomal terga with distal margins glabrous, narrow; second metasomal tergum with postgradular area as shallow as on remaining terga. Head broader than long, broader than mesosoma; mandible edentate, pointed; labrum with strong ridge bordering glabrous, impunctate, triangular basal area; clypeus more than twice broader than long; supraclypeal area elevated along midline; lower mesal paraocular area distinctly swollen (Fig. 6); anterior tentorial pit in epistomal sulcus, below intersection between outer subantennal and epistomal sulci; antennal toruli about at middle of face; antennal scape unmodified, not surpassing lower tangent of median ocellus in repose; antennal flagellum unmodified, slightly shorter than head width; facial fovea well-marked, ovoid; compound eyes slightly convergent ventrally; lower margin of median ocellus coinciding with upper orbital tangent; vertex gently convex; gena narrower than compound eye in profile, widest medially; labiomaxillary complex of moderate length, not distinctly elongate. Pronotal collar rounded, not carinate; dorsal surface of propodeum gently sloping, areolate. Forewing with pterostigma more than three times longer than broad, slightly wider than prestigma, margin basal to vein r-rs slightly divergent from costa, that within marginal cell straight or nearly so; marginal cell obliquely and broadly truncate at apex, appendiculate, about as long as distance from its apex to wing tip; two submarginal cells, first submarginal cell slightly shorter than second; basal vein gently curved; 1m-cu distal to 2Rs (second free abscissa Rs, or first submarginal crossvein sensu Michener, 2007); 2m-cu basal to 2rs-m (second submarginal crossvein sensu Michener, 2007); jugal lobe about two-thirds length of vannal lobe; hind wing with second abscissa of M+Cu about four times length of cu-a; 8 distal hamuli. Legs unmodified; mesotibial spur about half mesobasitarsal length; outer surfaces of pro- and mesotibia apically with small posterior spine; metabasitibial plate carinate, slightly broader apically, with scattered, semierect, short, stiff setae basally on disc (Fig. 10); metatibia about twice as long as metabasitarsus, with posterior marginal carina weakly toothed basally; keirotrichia on inner surface except on anterior and posterior margins; inner metatibial spur slightly curved at apex, outer spur shorter and more strongly curved at apex than inner; metabasitarsus strongly projecting on posterodistal margin; pretarsal claws cleft, symmetrical or nearly so. Second metasomal tergum with well-marked lateral fovea; seventh tergum without pygidial plate, distal margin strongly projected medially (Fig. 11); fourth sternum with two medial premarginal combs of thick, simple setae (Fig. 12); fifth sternum with long, thick, simple setae medially on premarginal line (Fig. 13); sixth sternum with broad U- or V-shaped midapical emargination (Fig. 14); seventh sternum with apodemes short, apical lobes broad, short, attached to large disc (Fig. 15); eighth sternum longer than broad, midapical projection long, slightly longer than disc (Figs. 16, 17); genital capsule longer than broad, gonobase absent (Figs. 18‒20); gonostylus about as long as gonocoxite, simple, without apical lobes or projections, with long, thick mid-ventral and apical setae, articulated to gonocoxite; volsella simple, not differentiated in digitus and cupis; penis valves simple, short, apices not surpassing basal one-fourth of gonostylar length (measured in ventral view); penis membranous, bilobed, shorter than penis valves.   
 ETYMOLOGY: The new genus-group name is a combination of Inca, referring to the pre-Columbian civilization that occupied most of the Andes, and - sarus, a stem commonly used in a number of related panurgine genera. The name is masculine.
description: Published as part of Gonzalez, Victor H., Rasmussen, Claus & Engel, Michael S., 2013, Incasarus garciai, a new genus and species of panurgine bees from the Peruvian Andes (Hymenoptera: Andrenidae), pp. 1-9 in Journal of Melittology 8 on pages 3-6, DOI: 10.17161/jom.v0i8.4506, http://zenodo.org/record/13620935