250 SPHEGID^. 



4G9. Sphex umbrosus. 



Spliex uinbrosa, Christ, Natitrg. Ins. p. 293, tab. xxix, fig. 2, $ . 



Spbex rutipenuis, Fabr. Etit. Syst. ii, p. 200. 



Sphex argentata, Fabr. Eat. Syst. ii, p. 200. 



Sphex albifrons, Fabr. Fnt. tSyst. ii, p. 207. 



Sphex argentit'rous, Lepel. Hym. iii, p. 337, S . 



Sphex carbonaria, ^mith, Cat. iv, p. 247, $ . 



Spbex ephippium et opuleuta, Smith, Cat. iv, pp. 249 & 250, 5 ^ . 



Sphex diabolica, Smith, Jour. Linn. Sue. 1858, p. 100, 5 . 



Spbex plumifera et nigerrima, Costa, Ami. Mus. Zool. Univ. Nap. 



1802, p. 112. 

 Spbex metallica, Taschenb. Zeits. Natunviss. Halle, 1869, p. 414, 



Spbex tuberculata, Smith, A. M. N. H. xii, 1873, p. 291. 

 Spbex luteifrons, Grib. Ann. Mus. Civ. Gen. (2") i, 1884, p. 300. 

 Spbex tascbenbergi, Magretti, Ann. Ulus. Civ. Gen. (2") i, 1884, 



p. 581. 

 Spbex umbrosus, Kohl, Ann. Naturhist. Hofmus. Wien, y, 1890, 



p. 40U, $d. 



2 (S . Head and thorax in front pruinose, very finely and 

 closely punctured ; median segment pubescent, finely transversely 

 striate ; petiole of abdomen thinly pubescent, rest of the segments 

 broadly subfusiform, closely and finely aciculate at base, finely 

 and sparsely punctured on the apical margins above, slightly 

 shining ; clypeus very slightly convex, its anterior margin arched 

 in the $ , transverse, almost emarginate in the c5" , thickly pilose 

 and pubescent ; front ( § ) furrowed from the anterior ocellus to 

 between the antennae, flat in the <S ; scutellum notched in the 

 middle, postscutellum bituberculate ; median segment long, nar- 

 rowed and rounded posteriorly, the apex abruptly steep ; legs 

 long, the tibiae and tarsi thickly spinose. Jet-black ; the sides of 

 the face and the clypeus with a dense close silvery pubescence, the 

 pubescence on the thorax and petiole soft, thin, and hoary white ; 

 wings clear hyaline, lightly and broadly f uscescent at apex. 



Yar. rufipennis, Fabr., is black with black pubescence, and flavo- 

 hyaline wings fuscescent at apex. Varieties {tuberculata. Smith ; 

 luteifrons, Kudos. &c.) have the front and clypeus covered with a 

 dense golden pile. 



Hah. Spread through the Eastern Palaea)'ctic region in China 

 and Japan ; in the Oriental, throughout India, Burma, Tenas- 

 serini, Ceylon, and the Malayan subregions down to Australia; 

 and in the Ethiopian region, in Lake Nyassa, Transvaal, Congo, 

 Guinea, Senegal, Gambia, Sierra Leone, and Arabia. § . Length 

 26-36 ; exp. 48-52 mm. 6 • Lenyth 24-29 ; exp. 40-46 mm. 



470. Sphex aurulentus. (PI. II, fig. 6.) 



Spbex auruleuta, Fabr. Mant. Ins. i, p. 274 ; Kohl, Ann. Naturhist. 



Hofmus. Wien, v, 1890, p. 392, $ (S • 

 Pepsis sericea, Fabr. Syst. Fiez. p. 211. 

 Sphex fabricii, Dahlb. Hym. Eur. i, p. 27, 2 . 

 Sphex feiTugiuea, Lepel. Hym. iii, p. 345, j . 

 Spbex liueola, Lepel. Hym. iii, p. 335, J . 



