106 M. W. R. de V. GRAHAM 



i960 he described the structure and function of its ovipositor. Imagines usually in 

 May and June, in Britain sometimes also in July and August. 



Plutothrix cisae Hedqvist 



Plutothrix cisae Hedqvist, 1966 : 197-198, £ $. 



Type material. Holotype $, Sweden, Upland, Uppsala, 15. xi. 1963, reared from 

 Polyporus sp. infested with Cis boleti (Scop.) (T. Palm), and paratypes, <$ $, in coll. 

 Hedqvist ; two paratypes in Institute of Agricultural and Forest Zoology, University 

 of Helsinki. Mr. Hedqvist kindly sent the holotype and some paratypes for 

 examination. 



This species is very close to coelius (Walker) but may be distinguished by the 

 characters given in my key to species; in addition the head and thorax in the 

 specimens seen are brighter in colour, tending towards bright green, whilst the legs 

 are paler, both femora and tibiae testaceous, or at most the fore and mid femora 

 slightly brownish beneath and the hind femora broadly brownish in the middle. 



England [new record] : Buckinghamshire, Hell Coppice, near Oakley, i<$, 18. viii. 

 1961 (Graham) ; Sweden ; Canada. 



Biology. Probably a parasite of Cis boleti (Scop.) (Col., Ciidae). 



JANSSONIELLA Kerrich 



Janssoniella Kerrich, in Kerrich & Graham, 1957 : 3°3- Type-species : /. caudata Kerrich, by 



original designation. 

 Janssoniella Kerrich ; Ferriere & Kerrich, 1958 : 24, 30. 

 Janssoniella Kerrich ; Peck et al., 1964 : 35. 



Five species of the genus are now known, including one described from Japan by 

 Kamijo (i960 : 101-102). 



Key to European Species 

 (Females) 



1 Larger species, length 6-5 mm. in the single known $. Propodeum medially slightly 



more than one third as long as the scutellum. Ovipositor sheaths less exserted, 

 the length of their projecting portion hardly half that of the last tergite 



major Kerrich (p. 107) 



- Smaller species, length 3 to 4-5 mm. Propodeum medially one third or a little less 



than one third as long as the scutellum. Ovipositor sheaths on the average rather 

 more exserted, the length of their projecting portion from slightly more than half, 

 to more than two thirds, the length of the last tergite ..... 2 



2 Combined length of antennal pedicellus and flagellum at least about 1-75 times the 



breadth of the head ; funicular segments relatively longer (the first nearly three 

 times, the sixth nearly twice, as long as broad) ; scape 0-97 the length of an eye 



caudata Kerrich (p. 107) 



- Combined length of antennal pedicellus and flagellum 1-5 to i-6 times the breadth 



of the head (Text-fig. 90) ; funicular segments relatively shorter (the first 2-0 to 

 2-5 times, sixth 1-5 to 1-7 times, as long as broad) ; scape o-8 to 0-89 the length of 

 an eye. Head, Text-fig. 91 . . . . . . ambigua sp. n. (p. 107) 



