36 z. bouCek 



posteriorly, this with thick golden pubescence, hind margins of tergites 4 and 5 

 angularly excised (Text-fig. 120), sixth with median keel and rather big spiracles 



addenda sp. n. (p. 96) 



11 Pronotum with premarginal carina or at least with distinct bare raised cross-line; 



dorsellum with or without carina at margin . . . . . . . 12 



- Pronotum regularly punctured posteriorly, without premarginal carina or raised 



line ; dorsellum always with carinate lateral and posterior margin ... 25 



12 Body deep black, non-metallic, with white bands on pronotum, hind coxa, usually 



also on gaster and scutellum, contrasting with bright red flagellum, tibiae and 

 apex of hind femur; hind coxa in depression extensively smooth (Text-fig. 45); 

 Andes ......... hopei Westwood (p. 44) 



- Colour different, never black with contrasting white and red markings; depression 



of hind coxa often punctured ......... 13 



13 Dorsellum convex, punctured or alveolate, but its lateral margin not distinctly 



carinate ; in § ovipositor often long and first tergite mostly with median oviposi- 

 torial furrow smooth on bottom, rarely with smooth ridge .... 14 



- Dorsellum carinate laterally and posteriorly (Text-figs 72, 98) or with distinct cross- 



carina (if this removed from margin) ; in §, if with long ovipositor, first tergite 

 with median ridge and diverging broad furrows which are at least partly sculptured 

 on bottom ............ 25 



14 Wings in proximal two-thirds blackish; also body mainly black or dark brown, 



with poor pale markings, if any (reduced to narrow bands on pronotum, scutellum 



and metapleurum) ........... 15 



- Wings brownish, yellowish or subhyaline, not blackish in basal two-thirds; body 



usually otherwise ........... 16 



15 Ovipositor reaching at least to dorsellum; first tergite in $ slightly longer than 



broad; fore wing mostly whitish in apical quarter; scutellum in § usually more than 

 1-5 times as broad as long (axilla excluded); in £ gaster shorter, 2-5— 2-7 times as 

 long as first tergite broad ...... leucotelus Walker (p. 48) 



- Ovipositor reaching at most to anterior quarter of first tergite (Text-fig. 52), the 



latter in $ usually slightly broader than long; fore wing usually getting paler 

 gradually, apex narrowly subhyaline; scutellum in 9 usually less than 1-5 times 

 as broad as long; in g gaster more than 3 times as long as first tergite is broad 



propinqua Schletterer (p. 46) 



16 Hind tibia ending with a distinct solid spine (Text-fig. 43); hind coxa dorso-poster- 



iorly with inner carina which often forms a thin, partly translucent lobe, but no 

 narrow tooth, part below lobe usually extensively smooth; hind femur very 

 densely and rather coarsely punctured . . . . . . . 17 



- Hind tibia apically truncate (Text-figs 57, 58, 60, 61, 63) ; hind coxa dorsally with 



a slender tooth which may be reduced to a tubercle in dwarf specimens, never 



with broad thin lobe ; hind femur usually not very densely punctured ... 22 



17 Body very short and broad (Text-fig. 56), gaster in § at most twice as long as broad, 



first tergite strongly transverse, little narrower than rest of gaster; malar space 



at least 0-9 the length of scape (Text-fig. 53) ...... 18 



- Body much less robust, gaster in $ at least 2-5 times as long as broad, first tergite 



oblong or only slightly transverse (Text-fig. 49), but always distinctly narrower 



than rest of gaster; malar space shorter than in alternate . . . . . 19 



18 Thorax and anterior half of gaster predominantly black, with at most narrow 



yellow markings at hind margin of pronotum, laterally on mesoscutum, posteriorly 

 on scutellum and on metapleura; ovipositor not or hardly reaching anterior half 

 of first tergite; in g sternites 4-6 subequal, slightly transverse, hind margin of 

 the fourth straight ....... xylocopae Burks (p. 60) 



- Thorax with richer yellow markings, also first tergite mostly with yellow; ovipositor 



