Scrapter avontuurensis

Kuhlmann, Michael & Friehs, Thyra, 2020, Nine new species and new records of euryglossiform Scrapter Lepeletier & Serville (Hymenoptera: Colletidae) from South Africa, European Journal of Taxonomy 647, pp. 1-33 : 29-31

Males

The males of S. avontuurensis Kuhlmann sp. nov., S. bokkeveldensis Kuhlmann sp. nov., S. fynbosensis Kuhlmann sp. nov., S. gessorum , S. inexpectatus , S. keiskiensis Kuhlmann sp. nov., S. minutuloides ,

S. minutus , S. nigerrimus , S. nitens Kuhlmann sp. nov., S. oubergensis Kuhlmann sp. nov. and S. pygmaeus are unknown.

1. Antennal flagellum medially broadened, entirely orange ( Kuhlmann 2014: fig. 12b); stigma bright yellow ( Kuhlmann 2014: Fig. 12a); S7 and S8 as in Kuhlmann (2014: fig. 12d, f)………………… ……………………………………………………………………… S. luteistigma Kuhlmann, 2014

– Antennal flagellum not broadened, only partly yellowish; stigma darker……………………………2

2. Third hind tarsus triangular broadened ( Fig. 10E )………… S. willemstrydomi Kuhlmann sp. nov.

– Third hind tarsus unmodified………………………………………………………………………3

3. Antenna long, last flagellar segment about twice as long as wide ( Kuhlmann 2014: fig. 24e); S7 and S8 as in Kuhlmann (2014: fig. 24d, f)………………………… S. punctulatus Kuhlmann nom. nov.

– Antenna shorter, last flagellar segment at most 1.5 times as long as wide……………………4

4. Hind tibia inside apically broadened, pointed ( Kuhlmann 2014: fig. 22e) or forming either a spine ( Fig. 7E ; Kuhlmann 2014: figs 2e, 31e) or a ± right angle ( Fig. 4G ; Kuhlmann 2014: fig. 27g)……5

– Hind tibia unmodified, if apically broadened then without spine or ± sharp edge……………10

5. Hind tibia inside apically forming a ± right angle ( Fig. 4G ; Kuhlmann 2014: fig. 27g)……………6

– Hind tibia inside apically pointed ( Kuhlmann 2014: Fig. 22e) or forming a spine ( Fig. 7E ; Kuhlmann 2014: figs 2e, 31e)………………………………………………………………………7

6. Body about 5 mm long; hind tibia forming a distinct right angle ( Kuhlmann 2014: fig. 27g); S7 and S8 as in Kuhlmann (2014: fig. 27d, f)………………………… S. roggeveldi Kuhlmann, 2014

– Body longer; hind tibia forming a shallow right angle ( Fig. 4G ); S7 and S8 as in Fig. 4F, H …… ………………………………………………………………………… S. hergi Kuhlmann sp. nov.

7. Hind tibia inside apically pointed ( Kuhlmann 2014: fig. 22e); scutum and metasomal terga finely punctate ( Kuhlmann 2014: fig. 22c); S7 and S8 as in Kuhlmann (2014: fig. 22d, f)……………………………………………………………………… S. papkuilsi Kuhlmann, 2014

– Hind tibia inside apically with spine ( Fig. 7E ; Kuhlmann 2014: figs 2e, 31e)………………8

8. Scutum and metasomal terga coarsely punctate ( Kuhlmann 2014: figs 2c, 31c)……………9

– Scutum coarsely and metasomal terga finely punctate ( Fig. 7C )… S. mellonholgeri Kuhlmann sp. nov.

9. Hind tibia apically with longer spine ( Kuhlmann 2014: fig. 31e); metasomal terga densely punctate ( Kuhlmann2014:Fig.31c);S7and S8as in Kuhlmann(2014:fig.31d,f) … S. spinipes Kuhlmann, 2014

– Hind tibia apically with shorter spine ( Kuhlmann 2014: fig. 2e); metasomal terga sparsely punctate ( Kuhlmann2014:fig.2c);S7and S8 as in Kuhlmann(2014:fig.2d,f)… S.acanthophorus Davies, 2005

10. Hind basitarsus brown to blackish………………………………………………………………11

– Hind basitarsus yellowish…………………………………………………………………………14

11. Hind tibia apically slightly swollen and curved ( Kuhlmann 2014: fig. 29e); scutum between punctures smooth and shiny; S7 and S8 as in Kuhlmann (2014: fig. 29d, f)… S. sittybon Davies, 2005

– Hind tibia unmodified; scutum between punctures sculptured and matt………………………12

12. Basal half of T2–T4 densely covered with short, silverish hair ( Kuhlmann 2014: fig. 33c); S7 and S8 as in Kuhlmann (2014: fig. 33d–e)…………………… S. ulrikae Kuhlmann, 2014

– Basal half of T2–T4 almost hairless ( Kuhlmann 2014: figs 17c, e, 20c)…………………………13 13. Discs of metasomal terga impunctate, very finely and regularly sculptured ( Kuhlmann 2014: fig. 20c); S7 and S8 as in Kuhlmann (2014: fig. 20d–e)………………………… S. nigritarsis Kuhlmann, 2014

– Discs of metasomal terga partly punctate, strongly to heavily and irregularly sculptured ( Kuhlmann 2014:fig.17c,e);S7 and S8as in Kuhlmann(2014:fig.17d,f)……………… S. nanus Kuhlmann, 2014

14. Hind tibia yellow with a brown spot on the back side ( Kuhlmann 2014: fig. 9a, c); S7 and S8 as in Kuhlmann (2014: fig. 9d–e)…………………………………………… S. glareus Davies, 2005

– Hind tibia mostly black ( Kuhlmann 2014: figs 5a, 7a, 13a)………………………………………15

The males of the following three species are very similar and can be best separated by S7 and S8.

15. S7 without membraneous apicolateral lobes ( Kuhlmann 2014: fig. 13d); S8 as in Kuhlmann (2014: fig. 13e)…………………………………………………………… S. minutissimus Kuhlmann, 2014

– S7 with membraneous apicolateral lobes ( Kuhlmann 2014: figs 5d, 7d)……………………………16

16. S7 apically with emargination slightly broader and shallower ( Kuhlmann 2014: fig. 5d)………… …………………………………………………………………………… S. albitarsis ( Friese, 1909)

– S7 apically with emargination slightly narrower and deeper ( Kuhlmann 2014: fig. 7d)……………… ………………………………………………………………………… S. exiguus Kuhlmann, 2014

Figures

Fig. 10. Scrapter willemstrydomi Kuhlmann sp. nov., ♂, holotype (RCMK). A. Lateral view. B. Genitalia (dorsal view). C. Metasoma (dorsal view). D. S7 (dorsal view). E. Hind leg. F. S8, apical end.

Fig. 7. Scrapter mellonholgeri Kuhlmann sp. nov., ♂, holotype (RCMK). A. Lateral view. B. Genitalia (dorsal view). C. Metasoma (dorsal view). D. Genitalia (lateral view). E. Hind tibia. F. S7 (dorsal view). G. Hind basitarsus. H. S8, apical end.

Fig. 4. Scrapter hergi Kuhlmann sp. nov., ♂, holotype (RCMK). A. Lateral view. B. Genitalia (dorsal view). C. Metasoma (dorsal view). D. Genitalia (lateral view). E. Head. F. S7 (dorsal view). G. Hind tibia. H. S8, apical end.