252 BRITISH ICHNEUMONS. [Airaciodes. 



g. exilis, Hal. 



Atractodes exilis, Hal. Ann. Nat. Hist. 1839, p. 119; Curt. B. E. 538; Forst. Verb. 

 Wien. z.-b. Ver. 1876, p. 125, 9 ; Holmgr. Sv. Ak. liandl. 1858, n. 8, p. 113 ; Thorns. 

 O. E. X. 1024, cJ ? . 



Sliining, piinctulate, black. Head buccate, sbining and not narrowed 

 behind the eyes ; mouth ferrugineous. Antennae basally ferriigineous, 

 rarely entirely infuscate ; of ? sub-incrassate a{)ically, with the last joint 

 oblong and the penultimate half as long again as broad. Metathorax 

 finely rugose with the central area a little impressed and more nitidulous, 

 with the upper lateral areae strongly incomplete. Abdomen strongly 

 compressed in ^ , black, with the second and third segments mainly or 

 entirely ferrugineous (Hal.), rufo-testaceous (Holmgr.), or flavo-stramincous 

 (Thoms.), the former with impressed lateral lines extending fo the spiracles, 

 of (J usually black, with the apical margin red ; basal segment smooth 

 and linear, nearly straight, slightly dilated apically and a little shorter 

 than the hind coxae and trochanters. Legs testaceous or ferrugineous, 

 usually with the hind, often also the anterior, coxae basally, the femora 

 and apices of the tibiae, infuscate ; onyches stout and not elongate, cal- 

 caria long. Wings slightly clouded ; stigma infuscate, radix and tegulae 

 testaceous ; areolet pentagonal, with the outer nervure obsolete. Length, 

 4-7 mm. 



This species is probably often confused with A. bicolor, but the structure 

 of the legs is very different, and it may be at once known from A. co7npressus 

 by its smooth and shining pronotum and mesopleurae. 



Haliday says it is very rare in Ireland, and that it was found in England 

 by Francis Walker. At Norwich it has occurred in May and July ; at 

 Bickleigh in Devon, in September ; Shere, Whitby, Lewisham, Harting, 

 Felden, Pembridge, Tarrington, Barmouth, and Gieenings in Surrey. It 

 is a common species at Bramford, Foxhall, Rushford, Brandon and 

 Bungay in Suffolk, Horning Ferry in Norfolk; and in August, 1901, I 

 found it swarming on Heracleum flowers, in an ordinary meadow, at 

 Lyndhurst in the New Forest. 



10. salius, Hnl. 

 Atractodes salius, Hal. Ann. Nat. Hist. 1839, p. 119, ?. 



A black species, with the mouth and base of the antennae ferrugineous. 

 Abdomen compressed and centrally ferrugineous, with the basal segment 

 gradually explanate and canaliculate apically. Legs ferrugineous, with the 

 hind femora infuscate. Wings distinctly clouded and shorter than the 

 body, with the areolet incomplete. Length, 6--8 mm. 



The short wings and dark-marked hind femora would appear to ally 

 this inadequately described species with A. parallelus, Thorns., which, 

 however, is much smaller, with the markings testaceous. 



Eyrecourt, in September (Haliday). 



