Fd. Parker et Tl. Griswold, A NEW SPECIES OF PROTOSTELIS FROM MEXICO (HYMENOPTERA, MEGACHILIDAE), The Pan-Pacific entomologist, 69(4), 1993, pp. 329-331
Protostelis pardita, NEW SPECIES, represents the first record of this
rare parasitic genus from Mexico. The probable host is Trachusa (Heter
anthidium) catinula (Brooks & Griswold). Protostelis australis floride
nsis (Mitchell), NEW SYNONYM, is synonymized with P. australis (Cresso
n). New records extend the range of P. australis from the east coast t
o Texas.