62 BRITISH ICHNEUMONS. [Cremnodes. 



H. subzonatus, that it is very incorrect, if only upon the evidence of their 

 stout antennae, to add them to that already extensive genus as has been 

 done by Thomson, copied by Schmiedeknecht. 



Table of Species. 



(2). I. Metanotum very short ; post -petiole dis- 

 tinctly punctate i. atricapillus, Grav. 



(i). 2. Metanotum of usual length ; post -petiole 



obsoletely alutaceous 2. paradoxus, Bridg. 



I. atricapillus, Grav. 



Ichneumon atricapillus, Gr. Mon. Fed. 41. Pezoinachiis atricapillus, Gr. I. E. ii. 

 888. Cremnodes atricapilhis, Forst. Wiegm. Arch. 1850, p. 72. Hemiteles atricapillus. 

 Thorns. O. E. x. 996 ; Sclim. Term. Fiiz. 1897, p. 556, ? . Cremnodes comhtisttis, 

 Fcirst. Wiegm. Arch. 1850, p. 73, ?. 



A small flavidous species with smooth and shining thorax, and 

 squamuliform, sub-rotund wings. Head black, with the mandibles and 

 clypeus fulvous, palpi stramineous ; face rufescent, very feebly rugose 

 and extremely finely punctate. Antennae with the six basal joints flavous 

 and the remainder piceous ; first flagellar joint half as long again as the 

 second, the fifth slightly longer than broad. Thorax flavous, glabrous 

 and nitidulous, with metathoracic costae distinct. Scutellum flavous. 

 Abdomen glabrous and nitidulous, hardly pubescent with the three basal 

 segments flavous and the following sometimes darker ; terebra hardly a 

 quarter the length of the basal segment, which is linear and finely and 

 distinctly punctate, with or without prominent spiracles behind the 

 centre ; second segment obsoletely alutaceous. Legs flavous and not 

 very slender. Wings usually reaching base of mesothorax. Length, 

 i|-3 mm. 



I fail to find any good specific character between the type form and 

 C. co77ibustus ; both occur with equal frequency with us, though the latter, 

 whose wings are punctiform, has not hitherto been recorded from Britain. 



Piffard has taken both forms at Felden, in Hertfordshire. I have swept 

 the type in a damp meadow at Spring Vale, in the Isle of Wight, in the 

 middle of August, and the form combustus, near Ipswich, in the middle of 

 September ; and there is a long series in Capron's collection from Surrey. 

 On the Continent it occurs in Sweden and Germany. 



2. paradoxus, Bridg. 



Apterophygas paradoxus Bridg. Trans. Ent. Soc. 1889, p. 417, ? . Hemiteles para- 

 doxus, Schm. Term. Fiiz. 1897, p. 555, ?. 



Head sub cubical, smooth and broader than the thorax. Antennae 

 sub-clavate, three-fourths the length of the body, and twenty-jointed ; basal 

 flagellar joint twice longer than broad and one-fourth longer than the 

 second, fifth quadrate. Thorax deplanate and a third longer than high ; 

 mesonotum smooth, with notauli short ; metanotum as long as the petiolar 

 area, with regular areae of which the areola is pentagonal and not longer 

 than broad ; costulae entire, apophyses small and obtuse. Scutellum 



