["2551 Die Hymenopterengruppe der Sphecinen. II. ^53 



fulvous hair; clypeus almost truncate at the apcx; Vertex and front opaque, closely 

 aciculate. Thorax opaque, eloselv aciculate; a line on the top of the pronotum, the 

 tubercles, a line at the base of the metanotum, an oblique one along the metapleurae, 

 and a spot on either side of the metanotum, silvery; the hair pale fulvous, long and 

 dense, especially on the metanotum; the furrow on the mesonotum shallow; scutellum 

 convex, without depression in the centre. Petiole a little longer than the hind coxae; 

 silvery-pilose, and covered with long pale hair. Abdomen with a bluish finge, sericeous, 

 the base and apex bearing fuscous hair; the sides at the base of the first and second 

 segments rufous; a tuft of golden hair on either side of the apical segment. Coxae den- 

 sely covered with silvery pile, and with long pale fulvous hair; trochanters, femora, 

 and tibiae sericeous; calcaria, tibial spines, and brush at the base of the metatarsus, red- 

 dish. Second cubital eellule nearly equal in width at the top and bottom; the third much 

 narrowed at the top, being there scarcely half the length of the space bounded by the 

 second recurrent and second transverse cubital nervures; first recurrent nervure received 

 quite close to the second transverse cubital.« 



179. Sphex subtruncatus Dhlb. 



Sphex subtruncata Dhlb., Hym. eur., I, p. 25 et 487, 9 1845 



»$. Abdomen totum nigrum. Pollicaris atra obscura, alis sordide lutescentibus 

 apice late fumatis, cellula radiali subtruncata nisi potius obtusa, pedibus rufis fusco- 

 spinosis basi apiceque nigris (scutello, postscutello et metanoto Sphecis fuliginosae). 

 Africa. — Corpus magnum. Petiolus brevis. Africa.« 



180. Sphex Sundewalli Dhlb. 



Enodia Sund.eiva.llis Dhlb., Hym. eur., I, 439 \?>^5 



Pronoti pars postica convexa centro emarginata. Alae subhyalinae venis fuscis, 

 apice late fumatae. Abdominis pars apicalis violacea marginibus segmentorum apicali- 

 bus albidis, valvula anali ventrali rufo-picea. — Port Natal. 



181. Sphex T. 



Pepsis TPal. Beauv., Ins. Afr. etAmer. 117, Tab. III, Fig. 5 .... i8o5 — 1821 

 »Villosa, fusco-nigra: Pedibus rufis: Alis apice fusco-violaceis : Abdominis segmen- 



tis, Thoracisque lineis duabus T efformantibus, griseo-albis. — Etats-Unis d'Amerique; 



Saint-Domingue. « 



Obs. Elle se tient dans les sables, oü eile fait son nid. 



182. Sphex vestitus Smith. 



Sphex vestita Smith, Cat. Hym. Brit. Mus., IV,' 248, $ i856 



»Female. Length i3 lines. Black: the face densely clothed with short golden 

 pubescence; the cheeks have a thin cinereous pile and also some scattered long pale 

 hairs; the Vertex and face have a thinly scattered pale pubescence; the mandibles large 

 and prominent, furnished with a stout tooth inside and fringed beneath with long pale 

 hairs. The thorax densely clothed above with golden pubescence, which is more or 

 less obliterated on the scutellum, the latter with a deep central impressed line; the sides 



