216 BRITISH ICHNEUMONS. [Lissonota. 



third, somewhat longer than broad and transversely obsoletely aciculate ; 

 fourth subtransverse ; terebra slightly shorter than the body. Legs ful- 

 vescent ; hind ones with tarsi, apices of tibiae and a mark on the tro- 

 chanters, infnscate. Wings hyaline ; stigma dull stramineous, radix pale, 

 tegulae infuscate ; areolet sessile and often pentagonal. Length, b\ — 

 8 mm. 



This species is said by Thomson to be similar to L. variabilis in its 

 size, conformation, strongly punctate and not transverse metathorax, but 

 differs in the paucity of the capital markings, longer basal and nitidulous 

 two basal segments of which the second alone has the apex rufescent, and 

 the nigrescent hind tarsi and apices of their tibiae. 



The $ has hitherto not been known, or mixed with that of variabilis : 

 Head not strongly narrowed behind the eyes, black with vertical dots, the 

 facial orbits more broadly below, the clypeus and a horseshoe-shaped 

 mark above it enclosing the subdeplanate finely pilose epistoma between 

 its apices, palpi and mandibles except apex of latter, flavous. Antennae 

 filiform and not paler below, as long as body. Thorax black and some- 

 what strongly punctate with a dot before radix and a simple line on either 

 side of mesonotum, flavous ; metathorax rugulose with the striate petiolar 

 area basally not very strong. Scutellum immaculate. Abdomen finely 

 pilose, cylindrical, narrower and more nitidulous than thorax ; base and 

 the glabrous apex of the distinctly reticulate second segment rufescent ; 

 basal segment more than twice longer than broad, distinctly reticulate, 

 not centrally canaliculate nor carinate. Legs not stout, red with the 

 anterior coxae and trochanters whitish ; hind trochanters, most of coxae 

 and tarsi infuscate. Wings normal, slightly clouded, nervures infuscate ; 

 radix and tegulae stramineous ; areolet triangular, emitting recurrent 

 nervure from centre ; nervellus broken at basal third. Length, 6| mm. 



It is said to be uncommon in central and northern Europe ; Roman has 

 given me 9 from Sweden and I have tAvo specimens taken by Piffard at 

 Felden, in Herts., and by myself at Gosfield, in Essex, on 24th July, 1902. 

 Chapman has bred one female and eight males, together with both sexes 

 of Linmeria sp. from Depressaria thapsiella at Taormina, on the eastern 

 coast of Sicily, in 1905, the cocoons which they themselves constructed 

 within their host's cocoons are lighter or darker brick red, cylindrical and 

 abrupty narrowed equally at both extremities, one of which is entirely 

 removed on the emergence of the parasite. A species which he thought 

 perhaps referable to the present was taken by Bridgman about Norwich 

 at Brundall, Eaton and Earlham. I possess a female taken early in Sep- 

 tember, 1903, by Dr. Cassal in the Isle of Man, at Ramsey. 



