Hymcnoptera aculcata collected in Algeria. 405 



and sometimes produced on to the disc in the form of two spots, the 

 sides of the segment are generally more or less brown, the apical 

 margin of this segment is produced into a rather wide membrane 

 bearing a row of punctures at the base especially noticeable in the 

 $ , the following segments are black or piceous with pale apical 

 bands, apical segment black. 

 Long. 7-8. mm. 



£ 1. Fontaine Chaude, near Biskra, on the dunes near 

 the stream, 9, v, 94. (A. E. E.) 



$ 1, $ 2. Biskra, Hamman-es-Salahin, on the sandhills, 

 5, v, 97. (A. E. E.) 



$ 3. Biskra, 20 and 31, v, 98. (F. D. M.) 



A small species superficially like a small Ckevrieramts 

 but easily distinguished by its extremely long tongue, a 

 character which almost warrants the erection of a new 

 genus for its reception. 



Pterochilus affinis, n. sp. 



Niger flavopictus, clypeo maris emarginato, femina? punctato, 

 sine rugis longitudinalibus, apice truncate, alis subluteis, segmentis 

 ventralibus maris 3-5 dense aureofnnbriatis, segmenti secundi 

 feminae disco valde sed sparse punctato. 



Black with the following parts yellow, mandibles except their 

 piceous teeth and apices, the entire clypeus in the £, the base 

 only in $ , a spot between the antennas and a spot behind each eye 

 and another in the sinus of each in both sexes, and the scape of 

 the antennas in the $ a somewhat triangular spot on each side of 

 the prothorax not reaching either the anterior or posterior angle 

 a spot below the wing, the tegulag, two spots on the scutellum, the 

 post-scutellum and two small spots on the propodeum, the borders 

 of the abdominal segments more or less trisinuately except that of 

 the basal which is straight, and the apical, which has a central spot 

 only ; beneath with a Insinuate band on the second and following 

 segments, except the apical ; all the above markings are the same 

 in both sexes ; legs testaceous-yellow, coxa?, trochanters and bases 

 of the femora black. Head and thorax dull, closely punctured, 

 clothed with long hairs, brownish-red in the £, nearly black in 

 the $. Clypeus semi-circularly emarginate in the $, narrowly 

 truncate in the $, spot between the antennae in the $ slightly 

 raised, wings slightly brownish especially along the costa, the 

 nervures testaceous-red. -2nd submarginal cell, receiving both 

 recurrent nervures ; posterior tarsi with their 2nd and claw-joints 



