Monograph of the north American proctotrypid.e. 21)5 



])istiuguislied l).v the tuft of liair at tip of scutellum, aiitennal cbar- 

 acteristics, aud the long', distinctly furrowed iiiesouotuni. 



TAELE OF .SPECIES. 



Cox.T black, 01' at leasfc the hind pair black. 

 ■ Li'us and scape of antenna' rnfons. 



Flaij,cllnni brovn black ; pedicel scarcely as lon^- as the first fnniclar joint ; fonrth 

 ventral se.nuii'nt not ])nnctate, the fifth not striate. T. KrFiri';s,sp. nov. 

 Posterior femora, and tips of tibiae brown. 



Flajiellnm browu; pe<licel mnch lon<;er than the first funiclar joint, the second 

 longer than the pedicel, the third small; fonrth ventral segment 



pnnctate, the fifth striate T. KrmcoLA, sp. nov. 



Legs hrownish-piceons, anterior pair, base of middle and posterior tibiavand tarsi 

 honey-yellow. 

 Antennai browu, first funiclar joint very small, tln^ second elongate; ventral 

 segments with a row of pnuctnres at base.-T. arizonkxsis, sp. nov. 

 Legs pale brown, the trochanters, anterior tibia', and bas(^ of middle and posterior 

 tibiae honey-yellow. 

 Antenna' brown, the scape and jiedicel yellow, first and third funiclar joints 

 sniiill, the second elongate; apical ventral segment striated. 



T. imuNNKiPKs Ashm. 

 Coxa' pale. 



Legs picetras or brownish, base of middle and posterior ti1)ia', anterior tibia', and 

 tarsi pale. 

 Antenn;c <lark brown, the first and second funiclar joints about e(|u;il, tlie third 

 and. fonrth minute; ventral segments impnnctured. 



T. viitciNiKNSis, sp. nov. 



Trichasis rufipes, sp. nov. 



(PI. XII. Fig. 9, $.) 



(? $ . Length, 2 to 2,5""". Bhick, shining; the thorax witli a sparse, 

 fine pubescence. Head transverse, with some microscopic imnctures 

 <).n the crown; lateral ocelli with a slight curved depressed line behind; 

 face highly polished. Antenna; lO-jointed, the scape rufous, the tlagel- 

 lum brown-black; pedicel of equal length withthesecond funiclar joint; 

 first aud third funiclar joints smaller than tlie secoful; clul) r)-jointed, 

 slightly thickened toward apex, the first joint a little longer than thick, 

 narrowed toward base, the second, third, and fourth joints quadrate, 

 a little rounded basally, the last joint cone shaped, one-third longer 

 than the preceding. Thorax elongate-ovate with distinct furrow; scu- 

 tclhim depressed across the base, pubescent and with a tuft of hairs at 

 tip; metapleura sericeous; teguhe Idack. Wings subhyaline, pubes- 

 cent, not fringed or the fringe exceedingly short. Legs yellowish-red, 

 the coxie black. Abdomen longer than the head and thorax together, 

 pointed at apex, the petiole longer than thick, finely rugose, with a 

 middle carina, the second segment very long with two long foveola? at 

 the base, the tip with sparse white hairs. 



In the $ the second funiclar joint is elongate tlu' clul) 0-jointed; 

 otherwise closely resembling the 9 . 



Habitat. — District of Columbia, Virginia, Florida, and Missouri. 



Types in Coll. Ashmead and National Museum. 



