336 ETJMENIDJ;. 



d^. Second abdominal sep^ment red at 

 base, no black band, apical half 



yellow, following segments red E. edwardsii, p. 344. 



b. Petiole \ery long, bait' as long again as 

 the thorax and median segment united, 

 narrow linear. 

 a. Large, robust ; lensrth over 23 mm. 

 a'^. Colour black, with abundant yellow 

 markings. 

 a^. Disc of niesonotum with two 

 yellow hook-like marks back to 



back E.faropicta, p. 345. 



b^. Disc of mesonotum with two short 

 lines and two transverse curved 



marks above them yellow E. arcuala, p. 346. 



c^. Disc of mesonotum entirely black. E. blduchardi, p. 347. 

 b^. Colour entirely black ; cly])eus and 

 space between antennoe in S marked 



with yellow E. curvata, p. 347. 



b' . Smaller and very slender, length "12mm.; 



black with a few yellow markings . . E. lenis, p. 347. 

 D. Median segment compai'atively longer, not 

 vertical, depressed below the level of the 

 postscutelluni,aDd distinctly laterally com- 

 pressed ; of very small size, length 7-8 

 mm E. e.ri(/un, p. 348. 



596. Eumenes quadrispinosa, Sauss. Mon. Gvep. Sol. Siqypl p. 134, 

 5 (5>, pi. vii, figs. 2, 2(7 ; Smith, Cat. v, p. 23. 



5 . Head and thorax lightly and very sparsely punctured, the 



punctures on each side of the front somewhat closer, on the 



thorax very shallow and scattered ; abdomen densely pruinose and 



opaque ; clypeus broadly pyriform, convex, the apex sharply 



incised ; median segment with a broad medial 



longitudinal furrow, with two sharp teeth on 



each side of it at apex ; petiole stout, broad 



at apex, about as long as the remaining 



l^y vwj abdominal segments, the medial tubercles small 



<^ f\ but distinct and lateral. Black, the head 



yellow, the mandibles, a transverse line on the 



vertex, and the apical ten joints of the flagellum 



of the antennae black, the last f ulvo-ferruginous 



„ beneath ; pronotum yellow, the posterior angles 



^%iadrkpinosa, black ; the tubercles, a spot at the base of 



2.5. ' the mesopleurae, t^Ao parallel lines on the disc 



of the mesonotum, the tegulse except a spot 



on the middle, the lateral angles of the scutellum, a line on the 



postscutellum, a spot above, and a large spot below on each side on 



the median segment, two contiguous spots on the apex of the petiole 



above, a band (emarginate anteriorly) on the posterior half of the 



2nd abdominal segment, and the remaining segments yellow, the last 



black at base when exserted ; legs black, variegated with yellow ; 



the petiole of the abdomen ferruginous ; wings deep flavo-hyaliue, 



