82 AMMOPHILA VIATICA. 



A very abundant species, found in most sandy situations. On 

 the sand-hills at Deal I have observed both sexes in immense 

 numbers on thistle-heads ; it also abounds all along the coast 

 between Deal and Dover. 



2. Ammophila viatica. 



A. nigra, hirsuta; alis fuscis, metathorace rugoso, abdomine 

 antice rufo. 



Sphex viatica, Linn. Faun. Suec. no. 1651 ; Syst. Nat. i. 943. 15 ; 

 Sf Cab. Mus. Linn. Soc. ? . 



De Geer, Ins. ii. 152. t. 28. f. 16. 



Latr. Hist. Nat. xiii. 293. 2. 



Ratz. Forst. Ins. Bd. iii. 34. 2. 

 Sphex hirsuta, Scop. Ent. Cam. 772. fig. 772. 



Shrank, Ins. Austr. 380. 769. 

 Sphex areuaria, Fabr. Mant. i. 273. 2. 



Rossi, Faun. Etrus. ii. 60. 809. 



Panz. Faun. Germ. 65. 13. 



Zett. Ins. Lapp. 435. 2. 

 Pepsis arenaria, Fabr. Syst. Piez. 207. 1. 



Illig. Ed. Faun. Etrus. ii. 92. 809. 



Ammophila argentea, Kirby, Trans. Linn. Soc. iv. 198. 4 $ . 

 Ammophila hirsuta, Kirby, Trans. Linn. Soc. iv. 195. 4 ^ . 



Sow. Brit. Miscell. i. t. 33. f. 1. 



Van d. Lind. Obs. i. 89. 6. 



Shuck. Foss. Hym. 77. 2. 



Brulle, Exped. Sc. de More'e, iii. 369. 812. 



St. Farg. Hym. iii. 364. 1. 



Lucas, Eocplo. Sc. Alger. iii. 274. 

 Psammophila viatica, Dahlb. Hym. Europ. i. 18. 12. 



Wesm. Hym. Foss. Belg. 69. 1. 



Female. Length 9-10- lines. Black ; the head and thorax 

 coarsely punctured and covered with a thick black pubescence; 

 the scutellum shining, the punctures distant ; wings subhyaline, 

 with a broad fuscous border at their apex ; the anterior tarsi 

 strongly ciliated; the posterior tibiae with a brown velvety 

 pubescence within. Abdomen ovate, shining ; the first, second, 

 and base of the third segment ferruginous ; the apex with a 

 few rigid black setae ; the petiole black. 



The Male differs in having the pubescence griseous, and the face 

 covered with silvery pubescence ; the legs less spinose, and 

 covered with sericeous pile ; the abdomen clavate, and covered 

 with silky white pile ; the petiole a little longer, and only the 

 posterior margin of the third segment black. 



