228 SPHEGIDvE. 



and the legs, except the bases of all the coxae and the posterior 

 femora in the middle, testaceous ; mandibles ferruginous, llagellum 

 of the antennae piceous ; 2nd and succeeding segments of the 

 abdomen red, the pile on the head and thorax bright silvery ; wings 

 hyaline and iridescent, nervures broAvn, tegulse pale testaceous. 



Hub. Not uncommon in Southern Tenasserim ; described origi- 

 nally from Makassar in Celebes. $ . Length 13 ; exp. 20 mm. 

 <S unknown. 



Genus AMMOPHILA. 



Sphex, pt., Liiui. Faun. Suec. p. 411 (1761), 

 Ponipilus, pt., Fiibr. Lnt. Syst. Supj). p. 24G (1798). 

 Pelopceus, pt. ; Pepsis, pt., Fabr. Si/si. Piez. pp. 202 & 207 (1804). 

 Ammophila, Kirby, Trans. Linn. Soc. iv, p. 195 (1804). 

 Psammophila, pt., Daklb. Hym. Fur. i, p. 4.31 (1845). 

 Parapsanimophila, pt., Taschenh. Zeitschr. yes. Nat. Sachs. Thilr 

 xxxiv, p. 429 (1809). 



Type, A. sahnlo.sa, Linn. 

 Range. Over both hemispheres. 



In the fore wing the 2nd cubital cell receives both recurrent 

 nervures ; the third cubital is sub- 

 triangular, much narrowed towards 

 the radial cell. The fore tarsi ( § ) 

 strongly, { (S) feebly ciliated on the 

 outer side, with stiff hairs and spines. 

 Body lengthened and slender, more 

 //'- ^ \ \ slender than in Sceliphron. — The female 



makes burrows in the ground and 

 pjo. Fjg stores her nest with either caterpillars 



Ammophila'atripes, ^. \. or spiders. 



Key to the Species. 



A. Petiole of atdomeu two-jointed. 



a. Pro- and niesonotum, and the median 

 segment striate. 

 a' . Leg's red. 



«-. Median segment above reticulate, 



not striate, along the middle. ... A. atripes $ , p. 229. 

 Ir. Median .segment above transversely 



striate along the middle 



a^. The middle portion of the 

 median segment at base above 



raised into a V-foriu A. humbertiana, p. 230. 



b^. The middle portion of the 

 median segment at base above 

 not raised, rounded. 

 a*. P)0- and mesonotum marked 



with red A. dimidiata, p. 230. 



6*. Pro- and mesonotum black. . A. basalis, p. 231. 

 b' . Legs black. 



a^. Median segment above reticulate, 



not striate, along the middle .... A. atripes J , p. 229. 



