18 



B. C. ENTOilOLOGlCAL SOCIETY 



Dacerla formicina sp. nov. 

 Brownish black, faintly shining, with fine sparse pale pubescence ; 

 antennae, except enlarged apical portion of second segment, legs, 

 rostrum, and hemielytra paler brown ; abdomen beneath with a basal 

 white spot and a smaller one at base of connexivum ; posterior genital 

 segment of female marked with white on each side at base ; connexivum 

 variably brownish. In one specimen the thorax and its appendages are 

 red, probably a teneral coloration. 



a^ 



Dacerla formicina sp. nov. 



Fig. 1. Lateral view of male. 



Eig. 2.- Apical tarsal structures, showing the large, divergent arolia and the 

 psuedo-arolia, the latter forming the thin inner margin of the claws. (Drawn 

 by Dr. H.'H. Knight). 



Fig. 3. Genital claspers of the male, drawn without removal from the 

 abdomen. a, the left clasper; b, the right. 



Head triangular before eyes, narrowed behind ; anteocular portion 

 slightly broader than long (24-21) ; width of vertex between eyes about 

 one-half width of head just in front of eyes; second antennal segment 

 as long as distance from anterior margin of pronotum to apex of 

 hemielytra. about four times the length of the first (55-13), enlarged in 

 apical third, third and fourth segments about equal, together slightly 

 longer than second (60-55) ; rostrum extending barely to middle coxae, 

 proportions of segments as in figure 1. Pronotum tumid, short, not 

 covering mesonotum, wider at apex than at base; mesonotum (including 

 scutellum) almost as long on median line as pronotum (21,-25), narrowed 

 to apex from bases of hemielytra. Hemielytra about as long as pro- 

 notum, slightly upturned at apex, meeting inwardly in a straight line 

 which is nearly one-half as long as mesonotum, apices obtusely angulate ; 

 cla\'us indistinct; memljrane wantin.g. Abdomen globuliform. the 



