FALL AND COCKERELL. 167 



X. (Nudobius) arizonicus Casey. Las Vegas (cf. Casey). [Probably identi- 

 cal with the preceding.] 



X. obsidianus Mels. Las Vegas (C). 



X. hamatus Say. "tSfew Mexico" (cf. Casey, as Gyrohypnus). 



X. (Gyrophypnus) fragilis Csy. "New Mexico" (cf. Casey). 



Dianous nitidulus Lee. Santa Fe Canon (S.), Beulah (C), Pecos (C). 



Stenus renifer Lee. Pecos (C). 



S. juno Fab. Beulah (C). 



S. n. sp. near juno. Beulah (C). 



S. austini Casey. Beulah (C). 



S. n. sp. near femoratus. Beulah (C). 



S. alpicola Fauvel. Beulah (C). 



S. arizonae Casey. Coolidge (W.). 



S. nimbosus Casey. Las Vegas (C). 



S. trajectus Casey. Beulah, identity uncertain (Mary Cooper). 



Eueesthetus neomexicanus n. sp. Las Vegas (C). 



Cryptobium (Gastrolobium) texanum Lee. Albuquerque. 



C. (Gastrolobium) vag-um Horn. Albuquerque (W.), Pinos Altos (C). 



Lathrobium (Lathrotaxis) ang-usta Casey. Albuquerque. 



L. (Lathrotaxis) acomana Casey. "New Mexico." 



L. (Lathrobiella) ventrale Lee. Mesilla, identity uncertain (C). 



Psederus compotens Lee. Mesilla Valley (C). 



P. nevadensis Austin. "N. M." 



Neomedon piciventre n. sp. Cloudcroft (K.). 



Medon nitidulum Casey. Coolidge (W.). 



Paramedon n. sp. Las Vegas Hot Springs (B. and S.). 



Medonodonta alutacea Casey. "N. M." 



Scopseus texanus Casey. "New Mexico" (W. ). 



Stilicus oblitus n. sp. Beulah (C). 



Sunius longiusculus Mann. Beulah (Mary Cooper). 



S. zuni Casey. Albuquerque (C). 



S. arizonensis Casey. New Mexico (W.), (cf. Casey). [The specimens from 

 Beulah are not now at hand and may perhaps be this rather than longinsculus.] 



Palaminus amplipennis n. sp. Pecos (C). 



Tachinus repandus Horn. Beulah (Skinner). 



T. instabilis Makl. Cloudcroft (K.). 



Tachyporus maculipennis Lee. Beulah (C), Las Vegas (C), Cloudcroft 

 (K.). [Not typical, perhaps a distinct species.] 



T. jocosus Say. Coolidge (W.), Beulah (C). 



T. nitidulus Fab. {brnnneus Fab.), Albuquerque (W.), Coolidge (W.), Beulah 

 (C), Valle Ranch, Pecos (C). 



Erchomus ventriculus Say. Romeroville (C), Cloudcroft (K.). 



Bryoporus rufescens Lee. Walnut Creek (S.). In Arizona it occurs at 

 Tucson (H. and S.). 



Mycetoporus humidus Say. Las Vegas (C). 



Trichophya lativentris Csy. ? Las Vegas Hot Springs (B. and S.). 



Pseudopsis sulcata Newman. Cloudcroft (K.). 



Bledius armatus Say. Albuquerque (W.), Eoswell (C). 



TRANS. AM. ENT. SOiC. XXXIII. MAY, 1907. 



