Ileterogi/iKi and Fossorial Hynunoptera. 287 



beneath ; posterior legs, with the base of the tibine and 

 tarsi only, yellow ; ? with the anterior and intermediate 

 tibiffi in front, the posterior tibiae at the base, the anterior 

 tarsi entirely, and the base of the others, yellow ; head 

 finely punctured, slightly chanelled in front ; clypeus 

 and face below the antennae covered with brilliant silvery 

 hairs ; thorax rather more shining than the head, and 

 not so finely punctured ; mesothorax with a double 

 dorsal line in front ; sides of the mesothorax covered 

 with bright silvery hairs, and with a slight spine 

 posteriorly ; metathorax with a very finely striate basal 

 area, which has a central consute impression ; abdomen 

 shining, very finely punctured ; apical segment in both 

 sexes with a few very large scattered punctures ; front 

 femora in the <? swollen ; tibia; largely dilated and mem- 

 branaceous posteriorly ; tarsi with the basal joint 

 produced and dilated ; intermediate and posterior legs 

 simple, as well as all the legs in the ? ; posterior tibia) 

 in both sexes with pale spines on their outer margin. 

 Length 7 — 8 mill. 



Local ; Birch and Darenth Woods, Southend, Devon- 

 shire, Lowestoft, Wimbledon, &c. 



11. palmipes, Linn. Syst. Nat. ed. xii. 1, p. 944 = iar- 

 satus, Shuck. 



Smaller than the above ; black, shining ; scape of the 

 antennae in front, two transverse spots on the collar; 

 S with a transverse spot on the scutellum, the anterior 

 legs in front, the intermediate tibiae in front and at the 

 base, the posterior tibiae at the base, and the basal joint 

 of the intermediate tarsi, yellow ; ? with the anterior 

 tibiae in front, and the base of the other tibiae and tarsi, 

 pale. Head finely punctured with a narrow dorsal line ; 

 thorax not quite so finely punctured as the head ; meta- 

 thorax crenate at the base, divided down the middle by a 

 wide consute channel, on each side of which is a trans- 

 verse, somewhat raised space, which is deeply and 

 diagonally striate ; metathorax towards the apex trans- 

 versely rugose ; mesothorax posteriorly with a distinct 

 lateral spine beneath ; abdomen finely punctured ; 

 anterior tarsi in the 3 with the basal joint dilated 

 posteriorly, its margin rounded, the 2nd and 3rd 

 joints produced on each side, and triangular ; legs in 

 the ? simple. 



