NEW SPECIES OP CRYPTURTS FROM SPAIN. 881 



anterior coxae and trochanters are jiale yellow ; the hinder coxae black, 

 except at the base behind ; the hinder trochanters yellow, the basal 

 two-thirds of the basal joint black ; the terminal joint of the hinder 

 tarsi black. Wings hyaline ; the stigma pale, the nervures dark 

 fulvous. Abdomen black ; the apices of the basal five segments broadly 

 orange-yellow ; on the apex of the sixth are two broad yellow lines ; 

 the ventral segments are irregularly banded with yellow on the apex ; 

 the apex of the last segment is brownish. 



[As I am not quite sure if this species can be referred to 

 Cnjpturns, or if it should not form the type of a new genus, I 

 have thought it as well to give a full generic description of it. 

 Crypturus is a parasite in the nests of Polistes. The present 

 species has certainly a considerable resemblance to that wasp- 

 genus.] 



Parapsidal furrows obsolete. Median segment with two transverse 

 keels, widely interrupted in the middle. Antennae stout, as long as 

 the abdomen, of equal width throughout; the last joint double the 

 length of the preceding. Petiole long ; the post-petiole wider than the 

 basal joint ; the whole is longer than the second segment. Wings 

 without an areolet ; the transverse cubital nervure is very short, the 

 radial and cubital nervures being almost united ; the transverse basal 

 nervure is interstitial ; tlie recurrent nervure is received distinctly 

 behind the transverse cubital nervure ; there is no nervure on the 

 cubito-disco or recurrent nevures ; in the hind wings the median ner- 

 vure is broken above the middle. The head is broader than long ; it 

 is well developed behind ; there is a long oblique slope from the ocelli 

 behind, above the keel on the occiput, which is margined. Eyes large, 

 slightly converging below. Clypeus short, broader than long, sepa- 

 rated from the face ; the apex is obliquely depressed, and slightly in- 

 cised in the middle. Labrum large, its apex rounded. Mandibles 

 large, the teeth large ; the upper is sHghtly larger than the lower. 

 Palpi large ; the second joint of the maxillary is dilated. Scutellum 

 large, Hat; the basal keels broad. Post-scutellum bifoveate at the 

 base. The spiracles linear ; there is a curved keel outside them. On 

 the centre of the median segment are two indistinct longitudinal keels 

 running to the transverse keel. The hinder legs are much longer than 

 the four anterior ; the hinder coxae are more than twice longer than 

 thick ; the front tarsi are twice the length of the tibiae ; the claws 

 small, simple ; the hinder tibiae are longer tiian the femora ; the meta- 

 tarsus is longer than the other joints united. There is one spur on the 

 front and two on the four posterior tibiae. The spiracles of the petiole 

 are placed beyond the middle at the base of the post-petiole; the 

 second abdominal segment is longer than broad ; the third is .square ; 

 the others broader than long ; the apical segment is bluntly pointed, 

 wide, keeled down the middle above ; the hypopygium is large, broad, 

 and does not project beyond the last segment ; the sheaths of the ovi- 

 positor are broad and as long as the apical segment. The four 

 posterior tibi® and tarsi are spiuose ; there is a wide shallow furrow on 

 the mesopleurffi near the sternum ; the abdomen is twice the length of 

 the thorax ; the abdominal spiracles are large and distinctly visible. 

 There are eight abdominal segments. 



