11)8 



SiibfaDiily /assiiia, I 'an D. 



TRIBE DORYDINI, Van D. 



PARABOLOCRATUS, Fieb. 

 32(_). P. viridis, Uhler. 



Moderately abundant in May and June, on grass in mead- 

 ows, where the vegetation grows rank and thick. Occasionally 

 taken as late as Jul3\ 



PARAMESUS, Fieb, 



330. P. vitellinus, Fitch. 



A rather rare species occurring on witch hazel, poplar and 

 probably other trees from June to Aug. 



TRIBE DELTOCEPHALINI, Van D. 



PLATYMETOPIUS, Burm. 



331. P. acutus, Say. 



Common on grass and weeds from June to Sept. Generally 

 they reach maturity about the middle of June or a little later. 



332. P. frontalis, Van D. 



With the preceding but much less abundant. June to Sept. 

 I have taken this most frequently among oak bushes at Park 

 side in this city. (Can. Ent. XXII, p. 112.) 



DELTOCEPHALUS, Burm. 



333. D. configuratus, Uhler. 



A common meadow insect from May to Aug., probably in- 

 jurious in hay fields. 



334. D. Osborni, Van D. 



Rare. Five examples of this large species were swept from 

 sedges in a low pasture at Lancaster, Sept 3, 1888. (Trans. 

 Am. Ent. Soc. XIX, p. 304.) 



335. D. Melscheimeri, Fitch. 



May to July. Common. Of this species I have gathered my 

 two hands level full from the sweep-net, taken in a single turn 

 of about fifty yards. This was from a dry meadow near Buffalo 

 Park in June 1889. Considering the small size of the insect, 

 this means an astonishing number of individuals. 



336. D. Sayi, Fitch. 



A common little insect everywhere in dry meadows from 

 May to July. 



337. D. debilis, Uhler. 



June and July. Not uncommon among rank grass in low 

 meadows. In this species the disc of the corium is frequently 

 more or less covered by a blackish cloud and there may be 

 another on the clavus and the membrane is often blackish, It 

 is very near the european D. abdominalis, Fabr. 



