38 



disting-uishable, ihoug-h the furrows are almost effaced. In Nco- 

 dryhuis proper there is no trace of these furrows. The very re- 

 markable habit of the larva of Ncodryiiuis in coverino- its cocoon 

 with the ruptured larval sac, which it removes from the leaf- 

 hopper. is not found in any other genus of Dryinidae, nor does 

 it occur in the case of D. ormcnidis. To the Australian species of 

 Ncodryiiuis. I now add two new species from Arizona. One of 

 these was bred, and its cocoon g^reatly resembles those of the 

 Australian species, as also does the mature insect. Dry\nns alti- 

 cola and D. macidicornis of Cameron, from Central America, are. 

 I suspect, closely allied to these Arizona species. 



I. Ncodryiiuis arizoiiiciis sp. nov. 



Black, the hind and middle tarsi, the fourth, fifth and more 

 or less of the apical part of third joint of the antennae, clear tes- 

 taceous or ferruginous ; scape of antennae dark fuscous, yellowish 

 beneath. Front femora inwardly with a rufescent line on the 

 apical part and continued throug-hout the length of the tibiae. 

 Front tarsi more or less brown, the chelar claw whitish. Wings 

 pale at the extreme base, then with a wide transverse smoky 

 band, reaching apically to the transverse median vein, a second 

 oblique fascia or spot reaches about half across the wing, arising 

 beneath the apical half of the stigma. 



Head strongly transverse, hardly concave on the vertex, the 

 ocelli in a triangle with the basal side widest, the surface dull, 

 or almost so, and with a fine, close reticulation of wrinkles. Anten- 

 nae with the third joint almost twice as long as the fourth, the 

 latter about four times as long as its greatest width. Pronotum 

 with a strongly raised posterior portion, in front of which the 

 sculpture consists of verv fine and close oblique striae on eacii 

 side. Mesonotum more longitudinally rugose, but not regularly ; 

 propodeum with stronger longitudinal wrinkles, but more or less 

 connected transversely so as to form reticulation. Lamellae of 

 fifth tarsal joint elongate, closely set together, and reaching, or 

 almost reaching, "the articulatory cavity, the chelar claw curved, 

 not armed with lamellate denticles, but with at most a few bris- 

 tles, and a small angle or obscure tooth close to the apex. Abdo- 

 men smooth, shining, impunctate. Length 4 — 5 mm. 



HAB. Nogales, Arizona; bred (no. 2450) from nymphs o\ 

 Onncm's scpfcufrionaJis on Oak. 



