|"2jn] Die Hymenopterengruppe der Sphecinen II 447 



162. Sphex lautus Cresson. 



Sphex lautet Cresson, Trans. Am. Ent. Soc. Philad., IV, 212, Q . . . 1872 — 1873 



» q — Velvety black, covered with a very rine pale golden serieeous pile, more 

 obvious in certain lights; head with rather long golden pubescence; face, clypeus, spot 

 on cheeks, upper posterior margin of prothorax, broad lateral margin of mesothorax, 

 connected posteriorly by a narrow line, postscutellum, upper surface of metathorax 

 entirely, an oblique line on each extreme side, the tubercles and a spot immediately 

 behind, bright golden; tegulae black; wings yellowish-hyaline, apical margin broadly 

 fuliginous; legs black, with a pale serieeous pile, anterior femora beneath with a stripe of 

 golden pubescence, tibiae brown-serieeous within; abdomen elongate-ovate, fusco- 

 ferruginous, pale serieeous in certain lights, petiole very short, stout, black, with pale 

 golden pubescence. Lenght 1 — n5 inch. 



5 var. — Abdomen entirely black. 



Five speeimens found on Sumach flowers in August. This magnificent species 

 closely resembles Lanierü Guer., whieb, however, has red legs and paler abdomen. 

 Should the variety with black abdomen probe to be a distinet species, id may be named 

 illustris.« 



Nearktische Region: Texas. 



-& 1 



[63. Sphex mandarina Smith. 



Sphex Mandarina Smith, Cat. Hym. Brit. Mus., P. IV, 256, 9 i856 



»Female. Length i3 lines. Black: the face covered with fine silvery pile; the 

 anterior margin of the clypeus straight in the middle and sinuated at the sides; the Vertex 

 smooth and having a fevv scattered punetures; a few stiff black hairs scattered over the 

 face. Thorax: the pro- and mesothorax very delicately punetured, interspersed with a 

 few large punetures; a deep depression in the middle of the scutellum; the postscutellum 

 and metathorax opake, the enclosed space above, finely rugose, the sides beyond obli- 

 quely strigose; the claws ferruginous; the tarsi furnished with stout spines, the anterior 

 pair strongly ciliated autside; the tibiae with a few stout spines; the wings subhyaline, 

 the nervures ferruginous, the apical margins slightly clouded; the second submarginal 

 cell narrow, reeeiving the first recurrent nervure in the middle. Abdomen red, with 

 the petiole and three apical Segments black. 

 Hab. North China (Shanghai). 

 (Nach Smith wahrscheinlich synonym mit Sphex Solieri Lep.) 



* 



164. Sphex mandibularis Cresson. 



Sphex mandibularis Cresson, Trans. Am. Ent. Soc. Philad., II, 293, 5 1868 — 1869 

 »9 — Deep black; broad anterior orbits, cheeks, pectus, narrow posterior margin 

 of prothorax, three lines on mesothorax (the lateral ones confluent behind), tubercles, 

 spot behind, stripe above each of the four posterior coxae, and the postscutellum, 

 bright silvery; head thinly clothed with long black pubescence, whitish on the cheeks; 

 mandibles flavo-testaceous, apical half black; pleura and metathorax with long thin, 

 whitish pubescence; sides of metathorax and coxae with silvery pile, more obvious in 

 certain lights; metathorax opaque, rounded above and behind, the surface not distinctly 

 sculptured; tegulae shining-black; wings smoky hyaline, with a brilliant violet reflexion, 

 Annalen des k. k. naturhistorischen Hofmnseums, Bd.V, Heft 'S, 1S90. 3 



