Colletes fasciatus Smith 1853
Creators: name: Kuhlmann, Michael
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Colletidae
Colletes
Colletes fasciatus

description: Key to the species of the Colletes fasciatus -group   
1 Females: antennal flagellum with ten segments; metasoma with six visible terga...................................................................................................................... 2  
– Males: antennal flagellum 11-segmented; metasoma with seven visible terga.................................................................................................................................. 19  
2 Hind femur and tibia with reduced scopa (Figs 3, 4)........................................... 3  
– Hind femur and tibia with well developed scopa (Fig. 2).................................. 11 3 Hind femur largely orange-brown to red; in many species legs completely orangebrown to red.......................................................................................................... 4  
– Hind legs black to dark brown; tarsus sometimes red-brown............................... 8  
4 Fore and mid tibiae largely or completely blackish or brownish, sometimes to a small extent reddish.............................................................................................. 5  
– Fore and mid tibiae completely orange-brown to red, sometimes blackish or brownish basally and/or apically.......................................................................... 6  
 5 T1 with area between punctures finely shagreened, dull; apical tergal depressions broadly translucent and disc posteriorly with narrow red margin; T6 narrowly rounded apically.............................................................. infracognitus Cockerell   
 – T1 with area between punctures smooth and shiny; only apical tergal depressions narrowly translucent; T6 broadly rounded apically................. stellatus Cockerell   
 6 Maximum width of facial fovea about diameter of antennal flagellum.......................................................................................................................... eardleyi sp. n.   
– Maximum width of facial fovea about 2× diameter of antennal flagellum.......... 7  
 7 Apical hair bands of terga broad, medially nearly completely covering depression; hairs on disc of mesonotum long, about 2× as long as diameter of antennal flagellum................................................................................................... testaceipes Friese   
 – Apical hair bands of terga narrow, medially covering only about posterior half of depression; hairs on disc of mesonotum short, about as long as diameter of antennal flagellum............................................................................... albohirtus Cockerell   
 8 Hind tibia with dense short hairs dorsally (Fig. 3); apical tergal depressions broadly translucent yellowish to reddish........................................... laticaudus Cockerell   
– Hind tibia without dense short hairs (Fig. 4); apical tergal depressions narrowly translucent reddish to brownish............................................................................ 9  
9 Metanotum medially with course and short, erect hairs (Fig. 2)........................ 10  
 – Metanotum medially with thin, longer hairs.............................. karooensis sp. n.   
 10 Propodeal triangle entirely covered with coarse transverse carinae...... obscurus Friese   
 – Propodeal triangle dorsally with few, very weak transverse carinae....................................................................................................................... cyanonitidus sp. n.   
 11 Apical hair band of T2 as broad as disc; in C. zygophyllum sp. n. width of apical hair band about 2/3 width of disc and scutellum with abundant black hairs...... 12   
 – Apical hair bands of T2 only about 1/4 width of disc; in C. abnormis sp. n. width of apical hair band about 1/2 width of disc and scutellum without black hairs...... 15   
 12 Apical tergal depressions distinctly translucent and disc posteriorly with narrow red margin......................................................................... aureocinctus Cockerell   
 – Apical tergal depressions weakly translucent, disc completely black................ 13 13 Apical hair bands of terga whitish.......................................... zygophyllum sp. n.   
– Apical hair bands of terga yellowish brown or brownish orange....................... 14  
 14 Apical hair bands of terga brownish orange; that on T3 broader, maximum width 2× width of hind basitarsus........................................................... fasciatus Smith   
 – Apical hair bands of terga yellowish brown; on T3 narrower, maximum width 1.5–1.7× width of hind basitarsus........................................... latefasciatus Friese   
15 Malar area short, less than half as long as width of base of mandible............... 16  
– Malar area long, about as long as width of base of mandible or longer............. 17  
 16 Apical hair bands of terga narrow; that on T3 medially slightly narrower than width of hind basitarsus; scutellum with black hairs...................................... gessi sp. n.   
 – Apical hair bands of terga broad; that on T3 medially slightly broader than width of hind basitarsus; scutellum without black hairs............................. abnormis sp. n.   
 17 Apical hair bands of terga narrow; on T2 medially about half as wide as width of hind basitarsus; malar area slightly shorter than basal width of mandible............................................................................................................ cardiurus Cockerell   
– Apical hair bands of terga broad; on T2 medially about as broad as width of hind basitarsus; malar area as broad or broader than basal width of mandible.......... 18  
 18 Malar area shorter, about as long as basal width of mandible; supraclypeal area shiny, surface between punctures smooth................................ wathmoughi sp. n.   
 – Malar area longer, about 1.5× longer than basal width of mandible; supraclypeal area dull, surface between punctures finely shagreened.................. genalis Friese   
19 S6 with a large lateral tooth directed backwards................................................ 20  
– S6 without teeth.................................................................................................. 22  
 20 Gonostylus bifurcate (Fig. 29), S7 as in Fig. 28...................... knersvlaktei sp. n.   
– Gonostylus simple.............................................................................................. 21  
 21 Gonostylus very narrow (Fig. 27), S7 as in Fig. 26...................... schultzei Friese   
 – Gonostylus thick (Fig. 23), S7 as in Fig. 22................................. fasciatus Smith   
22 Mid femora broadest near base, forming a near right-angled edge ventrally..... 23  
– Mid femora not broadest near their base and not forming a right-angled edge ventrally.............................................................................................................. 25  
 23 S7 longer than broad (Fig. 33), gonostylus as in Fig. 32.... nieuwoudtvillei sp. n.   
– S7 broader than long (Figs 12, 14), gonostylus not as shown as in Fig. 32....... 24  
 24 Gonostylus as in Fig. 13, S7 as in Fig. 12.................................. bokkeveldi sp. n.   
 – Gonostylus shorter than that of C. bokkeveldi (Fig. 15), S7 as in Fig. 14............................................................................................................................ gessi sp. n.   
 25 Hind tarsal segment 2 elongate and slender, more than 3× longer than broad, S7 and gonostylus as in Figs 30, 31, respectively........................ cyanonitidus sp. n.   
– Hind tarsal segment 2 shorter and wide, at most 1.5× as long as broad............. 26  
26 Gonostylus bifurcate........................................................................................... 27  
– Gonostylus simple.............................................................................................. 28  
 27 Gonostylus as in Fig. 37 and S 7 long (Fig. 36).................... denudatus Cockerell   
 – Gonostylus as in Fig. 35 and S 7 short (Fig. 34)......................... katharinae sp. n.   
28 Lobes of S7 strongly emarginate apically (Figs 6, 8, 38)................................... 29  
– Lobes of S7 different, only slightly emarginate apically or without emargination............................................................................................................................ 31  
 29 Lobes of S7 with a single emargination (Fig. 38), gonostylus as in Fig. 39.............................................................................................................. karooensis sp. n.   
– Lobes of S7 with two emarginations apically (Figs 6, 8)................................... 30  
 30 Gonostylus broad (Fig. 9), S7 as in Fig. 8............................. inornatus Cockerell   
 – Gonostylus narrow (Fig. 7), S7 as in Fig. 6.................................. abnormis sp. n.   
 31 Scutellum and inner eye margins with black hairs intermixed........ genalis Friese   
– Scutellum and inner eye margins without black hairs........................................ 32  
 32 Tarsi completely and tibiae at least partly light yellowish to pale reddish brown ................................................................................................... testaceipes Friese   
– Tarsi and tibiae black, sometimes partly dark reddish brown............................ 33  
 33 Hind basitarsus slightly emarginate to concave ventrally.... albohirtus Cockerell   
– Ventral margins of hind basitarsus straight......................................................... 34  
 34 Apical hair bands of S2 and S3 medially consisting of very short, dense pilosity, gonostylus and S7 as in Figs 24, 25, respectively................ laticaudus Cockerell   
 – Apical hairbands of S2 and S3 medially consisting of a few long hairs; gonostylus and S7 as in Figs 20, 21, respectively............................... aureocinctus Cockerell
description: Published as part of Kuhlmann, Michael, 2007, Revision of the bees of the Colletes fasciatus-group in southern Africa (Hymenoptera: Colletidae), pp. 121-166 in African Invertebrates 48 (2) on pages 123-127, DOI: 10.5281/zenodo.7667881