Hymenoptera aculeata collected in Algeria: the Sphegidae. 101 
tur. Mandibulae basibus argenteo-pilosis, in medio cum parte pedum 
(tarsis, tibiarum apicibus, etc.) testaceae. Tegulae venaeque alarum 
lutescentes. Harum cellula cubitalis 2"* superne angusta, 3"* 
Jatior ; forma huius paene ut in 7, panzeri. 
Metatarsi antici spinis plurimis (12-13) longis sed tenuissimis 
pectinati. Oculi in vertice circiter antenn. articuli 3"! longitudine 
(vel paullo minus) inter se distant. (Minus certe quam in 7’ 
fluctuato.) Area pygidialis opaca, plana, dense granulosa (vel 
reticulato-punctulata), punctis nonnullis maioribus subobsoletis 
conspersa. 
Long. circ. 13 mm. 
1 gf. Médéa, on Daucus setifolius, “Eyes light egg- 
yellow,” 8. vii, 93. A. EK. E. 
1 f,1 9. La Calle, 4. and 19. vu, 96. A. E. E. 
1 f. Le Tarf, “ visiting heads of Cynara cardunculus, 28. 
vii, 96. A. E. E. 
2 $4,199. Biskra, on Ammi visnaga, “ Kyes of f¢ light 
yellowish green, of 2 dull greenish,” 20-25. v,97. A. KE. E. 
1 f. Bone, “ Eyes bright yellow,” 30. vii, 97. A. E. E. 
3 2%. Biskra, 20. and 30. v, 98. F. D. M. 
TACHYSPHEX FLUCTUATUS, Gent. 
i. Biskra, 28. iv, 95. A. EH. E. 
2 ff. Biskra, on Ammi visnaga, “ Eyes bright yellow or 
greenish yellow, according to the point of view,” 22. vi, 97. 
A. E. E. 
1 gf. Bone, on Luphorbia paralias, 5. vi, 96. A. E. E. 
1 gf. Biskra, on Ammi visnaga, 18. vi, 97. A. E. KE. 
(A very large specimen with red legs and dull-red base 
to the abdomen. Mr. Saunders submitted it to Herr Kohl, 
who considered that it was a variety of fluctwatus.) 
Sita: miskra, 15.-25, v, 98, F.1D. M. 
So many specimens having occurred, it seems rather 
curious that all were f 2. 
TACHYSPHEX FILICORNIS, Kohl 
1 9. Hussein Dey, 4. iv, 98. A. E. E. 
1 9. Alger, 18. iv, 93. A. E. E. 
12) Biskra, 19> v, 985 FL... M. 
TACHYSPHEX MEDITERRANEUS, Kohl 
1 9. Philippeville, 21. vi, 98. F. D. M. 
