242 ALLOTRIA VICTBIX. 



5. ALLOTEIA FLAVICORNIS. 

 PI. XVI, fig. 1. 



Xystus flavicornis, Htg., Germ. Zeit., iii, 352. 

 Allotria flavicornis, Gir., Verh. z.-b. Ges. Wien, x, 129. 



Black ; the head red, darker (sometimes fuscous or even blackish) on 

 vertex; antennas and legs yellow; wings hyaline, nervures testaceous, 

 the apex shortly fringed ; pubescence on median segment sparse, and 

 still more so on the base of abdomen. Antennae longer than the body, 

 joints three to five in <$ very weakly curved. Radial cellule short, 

 about double the length of the first abscissa of the radius, which is 

 about two-thirds of the length of the second ; the latter is curved ; 

 cubitus almost obsolete. 



Length 1? 1^ mm. 



From the other red-headed species with black thorax, 

 A. flavicornis is readily known by the long clear yel- 

 low antennas. 



Not uncommon, Clydesdale, London district. 



Germany, Austria. 



6. ALLOTRIA VIOTEIX. 

 PI. XVI, fig. 2. 



Allotria victrix, Westwood, Loud. Mag., vi, 494 ; Giraud, Verh. 

 z.-b. Ges. Wien, x, 127, 3 ; Cam., Fauna, 85. 

 Cynips ruficeps, Zetterstedt, Ins. Lapp., 410, 5. 

 Xystvs erythrocephalus, Htg., Germ. Zeit., ii, 199, !. 

 Allotria erythrocephala, Thorns., Oef., xviii, 406, 1. 



Black, shining, the median segment and base of abdomen bearing a 

 white pubescence ; the head red ; the legs and basal four or six joints 

 of the antennae yellow, the rest of the antenna blackish to fuscous ; 

 wings hyaline, ciliated, the nervures pale. Antennas a little longer 

 than the body, thickened towards the apex in the $ ; in the <^ the 

 fourth and fifth joints are curved, sinuated. Areolet large, the length 

 twice the width of the first abscissa of the radius ; the latter is 

 straight, the second curved ; the cubitus does not reach much beyond 

 the radial cellule. 



Length 1 1 mm. 



In some specimens the apex of the antennae is tes- 

 taceous ; sometimes the third joint in the <$ is dis- 

 tinctly curved. 



Common. Lives on rose aphis. 



Germany, Sweden, France, Austria. 





