1S78.] 225 



DESCRIPTIONS OF TWO NEW EKITISII SPECIES OF NEMATUS. 

 BY P. C.V:\IEEO>'. 



Nematus uii3Ee>'icus, sp. n. 



9 . Antcnnffi a little shorter than the thorax and abdomen, blact, moderately 

 stout, of nearly uniform thickness, the 3rd joint a very little longer than the 4th, 

 the others becoming gradually shorter, the 9th conical, a thii-d shorter than the 3rd. 

 Head a little narrower than the mesothorax, the vertex finely punctured, covered 

 •with a short down, shining, the clypeus and labi'um white, the former with a slight 

 emargination. Thorax black, covered with a short down ; the tegulae white. Legs 

 white, the basal half of the two anterior, and nearly the whole of the posterior 

 femora, the apical quarter of the posterior tibite and the apical three-fourths of the 

 posterior tarsi, black. Wings hyaline, the costa and stigma sordid white ; the 1st 

 eubmarginal nervure is absent, in the 2nd submarginal cellule is a horny point, the 

 3rd submarginal cellule is almost a parallelogram ; the 2nd recurrent nervure is 

 received immediately in front of the 2nd submarginal. Abdomen a little longer 

 than the thorax and head, thick, broad, the apex acuminate, the cerci small, thin ; 

 saw broad, projecting. Length, 1| lin. 



In the absence of the 1st submarginal nervure, in the punctured 

 vertex, with invisible sutures and pentagonal area, this little form 

 agrees with the species of the fuh'ipes (== brevis, H.) group, but the 

 clypeus is notched and white, and the antennae do not taper so much 

 towards the apex. Judging from the description, it must be a very 

 near ally of JSF.JiUcornis, Thoms. (which Thomson states resembles the 

 falvipes group, but differs in the emarginated, white clypeus, while the 

 antenna) resemble those of Blennocampa) , but it differs from that 

 species in many points. Thus, Thomson gives the antennae as being 

 " breves, corpore dimidio evidenter breviores," while in liihernicus they 

 are decidedly longer, the 3rd joint too is not a third longer than the 

 4th, nor can the wings be said to be " lenissimo fumatis," while j^/^- 

 formis again has the middle tibia? marked with black, and the tarsi 

 testaceous ; the tegulse again are "fusco-testaceis." 



Taken by Mr. King, near Dublin. 



Nematus placidits, sp. n. 



?. Antennae nearly as long as the body, thin, filiform, the 3rd joint a very 

 little longer than the 4th, the rest a little shorter ; black, brownish on the under-side 

 from the 2nd joint. Head narrower than the mesothorax, black, the labrum and 

 palpi white ; clypeus almost truncated at the apex, which is piceous ; vertex punc- 

 tured, the pentagonal area and sutures indistinct ; antennal fovea large. Thorax 

 black, half shining, the mesonotum with a few punctures, tcgula; and pronotum 

 white ; the plcurtc shining, for the greater part brownish. Wings clear hyaline, 

 costa and stigma white ; the Ist submarginal nervure is distinct ; the 3rd submar- 



