IS76.] 2t3 



longitudinal line, and ou each side about six transverso lines similarly coloured, 

 their inner extremities somewhat knotted or comma shaped. Clypeus, cheeks, 

 and lorce yellowish or yellowish-white. 



Thorax — pronotum and scutellum yellow or pale greenish-yellow. Mi/tra very pale 

 green or greyish-green, almost transparent ; ^ , slightly longer than the abdomen, 

 $ , barely as long ; nerves pale greenish-yellow ; apical areas sometimes very 

 narrowly margined with fuscous. Legs as in D. Midsanti, but sometimes the 

 markings are more or less obUterated. 



Abdomen : J , above, black ; posterior margin of the last four segments and the side 

 margins yellow ; beneath, black ; genital segments short, black or piceous j ? , 

 posterior margin of the last abdominal segment slightly concave. 



Length, 1^ line. 



7. ASSiiriLis, Fall, {nee J. Sahlberg). 



The different characters on the face, and the short bhick genital 

 segments of the ^ will at once show where this sx^ecies varies from 

 D. Midsanti, to which it is nearly related. 



It seems to be rather uncommon. It has been taken by Mr. 

 Douglas and myself in the Isle of AVight, in July. 



Pale greenish-yellow. 



Head — crown pale yellow or brownish ; length down the centre not so great as the 

 width across the anterior margin of the eyes ; apex scarcely acute ; anterior 

 sides slightly convex ; on each side of the apex a short black streak, almost 

 parallel with the centre. Face dark brown, with five to six fine, yellowish-white, 

 transverse lines on each side, becoming shorter as they approach the apex. 

 Clypeus yellow, with a broad dark brown streak down the centre. Cheeks 

 not unfrequently brown, with the exterior and lower margin yellow ; lores 

 yellow, margined with brown. 



Thorax — pronotum and scutellum yellow or greenish-yellow. Elytra pale greenish- 

 yellow ; nerres yellow ; apical areas more or less pale fuscous, icy* pale yellow 

 with markings similar to those in D. assimilis. 



Abdomen : <J , above, black, with a slight bluish tinge ; side margins broadly yellow, 

 with a small black puncture in the centre on each segment ; last segment yellow ; 

 genital segments yellow ; beneath, black, genital segment yellow ; valve black, 

 narrowly margined with yellow ; plates at the base, black ; $ , posterior margin 

 of the last abdominal segment beneath with a narrow triangular notch in tho 

 centre, and the sides deeply concave. Length, 1', — 1^ line. 



8. MiNKi, Fieb. = assimilis, J. Sahib. 



Very like Z>. assimilis, but both sexes are easily distinguished from 

 that species by the longer and differently coloured genital segmenta 

 of the (^, and the shape of the posterior margin of the last abdominal 

 segment (underneath) of the ? . 



I have introduced this species as new to Britain, on specimens 

 named for mc by the late Dr. Ficber. Three examples of the above 



