21 



hrmvn or ferrujjinous below, the tarsi clear yellowish -testaceous 

 with the hasal joint flarker brown. 



Antennae lon^ anrl sle-ndcr, slightly krtiger than the whole 

 thorax, all the joints elongate, the very long third joint being 

 one and two-thirds the length of the frmrth, the latter al^^ve five 

 times as long as wide, the penultimate joint fully twice as U>ng a» 

 its greatest width ; only the scape pale-c/^loured. Mead cfm^nc- 

 uously concave alx^ve, dull, with excessively dense minute punct- 

 uration ; raised median line extending forward from the fr^/nt 

 ocellus, distinct. Pronotum with very minute close punctures, 

 the transverse sulcature deep, the anterior of the two divisi^/ns 

 so formed, not half as long as the tKjsterior (me; mesonotal om- 

 stricti<^jti slender, ek/ngate, about twice as long as its greatest 

 width, densely minutely punctate or shagreened, jx^steriorly with 

 some fine transverse wrinkles; the whole thorax with o^/nspicu- 

 ous, scattered, erect, pale hairs. Front legs with the l^sal and 

 fourth tarsal 'yAvts nearly equal, chelae of the usual tyjjte of 

 Jassid parasites, the lamellate denticles of fifth tarsal joint well- 

 developed nearly reaching the articular cavity; the claw mod- 

 erately curved with some widely separated, pointed denticles 

 projecting from the median gro^^ve between the ridges. All the 

 legs are conspicuously, but not densely, clothed with pale erect 

 hairs. Abdomen very dull, impunctate, clothed with longish 

 erect sparse hairs like those f/n the thorax. Length 5 :5 mnu 



}f.\n. Xogales, Arizona; larva pupated from parasitized 

 Jassid nymph r,n willow 14.IX.06; bred 20.XL06; numljer 2480. 



7. Chalcogonatopus frequens sp. nov. 



f'erruginous, the apical abdominal segments sometimes darker 

 brown or blackish, posterior and intermediate femora concolorous 

 throughout, not black apically, antennae more or less pale on the 

 basal joints, the first three generally yellow, but sometimes ^/nly 

 the second is distinctly yellow, the scape and third jr^int U-ing 

 brown, the fourth and following may also Ix^ obscurely yellow- 

 ish, the apical joints being black. *.!,d^rnira1 r.^-tioV; always 

 black. 



Head dull, with close minute puncturation, tn^: antennae 

 slender and of moderate length, no joint r>eing transverse, the 

 third joint one and twr>-thirds the length of the fourth, the 

 penultimate one and a half times as long as its width. Pronotum 

 smooth and shining, with very sparse, short, erect hairs m fresh 

 examples, mesonotal constriction longer than broad, propodeurn 



