British Hymeno'ptera. 221 



much wider across the eyes than long; surface of thorax and 

 abdomen very finely punctured. Length, 15 — 16 mm. 



Hah. Generally distributed, and common in many 

 places. 



2. Antliophora pilipes, Fab. (PL X., figs. 8 — 8 6). 



Fab., Syst. Ent., p. 383 = acervorum, Smith, Cat. 

 Brit. Hym., 2nd ed., p. 190 = retusa, Kirb. (nee Linn). 



Very like the preceding, especially in the ? , but differs 

 in the following characters : — 



(? . With the pubescence longer and of a less rich brown, more 

 inclined, especially in faded examples, to a greenish grey tint ; 

 clypeus nearly entirely pale ; alar hooks of posterior wings 20 to 

 22 instead of only about 15 to 16; intermediate tarsi with the 1st 

 and 5th joints densely clothed with projecting black hairs ; the 1st, 

 2nd, 3rd, and 4th also clothed with extremely long grey hairs ; 

 calcaria black ; 7th ventral segment more rounded at the apex ; 

 8th much wider, carinated down the centre ; apical portion de- 

 pressed, with a slight reflexed projection on its margin bearing a 

 few hairs (for genitalia see PI. X., figs. 8 — 8 b). 



2 . Differs fi'om that of retusa in having the pubescence longer, 

 the face less trausverse, the mandibles with the apical tooth long 

 and sharp, and the calcaria of the posterior legs black. 



Hah. Common in most places in the early spring. 



3. AntJiophora furcata, Panz. (PL XL, figs. 2 — 2 b). 



Panz., Faun. Germ., 56, 8; Smith, Cat. Brit. Hym., 

 2nd ed., p. 193. 



Black, clothed with brownish hairs ; mesothorax with a band of 

 darker hairs across the middle ; ^ with the clypeus white ; legs 

 simple. Abdomen without bands of paler hairs ; 7th segment 

 bidentate ; $ with the 5th and 6th segments densely clothed with 

 golden red hairs. 



<? . Head closely punctured, clothed on the vertex with black 

 and on the face with pale hairs ; labrum and clypeus yellowish 

 white, the apical margin of the latter pitchy black ; scape of the 

 antemiffi in front with a white line. Thorax finely punctured, 

 clothed with brown hairs, with a broad but rather ill-defined band 

 of black hairs between the wings ; wings slightly smoky in colour, 

 the nervures dark brown. Abdomen shining, finely punctured, the 

 first three segments clothed with pale brown hairs, the remainder 

 with black ; 7th segment bidentate ; beneath with the 4th and 5th 



