~I 
Or 
CAMERON—HYMENOPTERA, 
Sphegide. 
13. Sphex umbrosus, Christ. 
Bingham, Fauna of Brit. India, Hymen. i. 250; Kohl, Denkschrift d. kaiser. Akad. d. Wissensch., 
Math.-naturwiss. Classe, Ixxi. 199; Amn. d. k.-k. Hofmus. y. 408. 
Sphew erebus, Kirby, Bull. Liverp. Mus. iii. no. 10, p. 15. 
Localities. Seychelles, Mahé. 
The hair on the thorax in all the specimens is white, as in Kohl’s var. 1 = wmbrosus, 
Christ, = argentifrons, Lep.; in most of them the hair on the head is black, as in the 
North African var. ¢aschenbergi, Magretti. The wings are more or less clouded, 
especially at the apex, in all the specimens. The pubescence and hair long and dense. 
The wing-nervures, except the first and second transverse cubitals, are black. 
I presume that Sphex rufinervis, Pérez (Ann. Soc. Ent. Fr. 1895, p. 209), from the 
Seychelles (Praslin), is only a form of the very variable S. wmbrosus, which is a common 
species in the Ethiopian, Oriental, and Australian Zoological Regions, as well as in the 
Southern Palzearctic. The species is found in the Mauritius. 
14. Sceliphron hemipterum (Fabr.). 
Pelopeus hemipterus, Fabr. Syst. Piez. 204. 7; St.-Fargeau, Hist. Natur. des Ins. Hymén, ii. 311. 
Sceliphron hemipterum, Pérez, Ann. Soc. Ent. Fr. Ixiv. 1895, 210. 
Localities. Described from the Mauritius, Seychelles, Mahé, Praslin. Not uncommon. 
As the species has only been briefly described I give some structural details :—The 
pro- and mesothorax are closely punctured, the upper part more closely than the sides; 
the scutellums are closely, distinctly, longitudinally striated. The middle area of 
metanotum clearly defined, furrowed down the middle, the furrow widest at the apex, 
with an irregular keel down the middle; it is closely, uniformly, somewhat strongly 
obliquely striated; the upper half of the apical slope is longitudinally striated in 
the middle, the sides more strongly obliquely striated, almost reticulated; the apex 
stoutly transversely striated, the strize closer above than below, broadly depressed in the 
middle. The metapleure closely, somewhat strongly obliquely striated ; the propleuree 
much more finely, regularly, obliquely striated ; the mesopleure distinctly, but not 
closely punctured. Front irregularly longitudinally striated, more or less punctured 
above. Head and thorax densely covered with longish black hair, which is longer on 
the head and metanotum than on the mesothorax ; the abdominal petiole is sparsely 
haired ; the rest of the abdomen pruinose, the last segment punctured, sparsely covered 
with long black hair. Antennze short; the scape rufous below; the third joint is 
clearly longer than the fourth, which is slightly longer than the scape and pedicle united. 
Clypeus slightly wider than long, the apex broadly rounded, margined below, slightly, 
broadly ineurved in the middle. Wings yellowish hyaline, the nervures, stigma, and 
costa reddish fulvous; the tegulze piceous to black. 
The eyes distinctly converge above; the hind ocelli are separated from each other by 
Lis 
