PROC. ENT. SOO. WASH., V0[,. 60, NO. 1, FEBRUARY, 1958 5 Three larvae were lent by F. L. Blanc. They are very typical of the genus Liriomyza. The only unusual character is the relatively larye number of bulbs (8 or 9) on each posterior spiracle. The usual number is three. None of the bulbs is elongate and they are in an irregular row that slightly curves at both the dorsal and ventral ends towards the midline of the larva. The anterior spiracles each bear five to seven short bulbs. Eeferences Frick, K. E., 1951. Liriomyza langei. a new species of leaf miner of economic importance in California. Pan-Pac. Ent. 27:81-88. Pritchard, A. E., 1957. New carnation pests. California Agriculture 11 (3). -5. A NEW SPECIES OF EUMYSIA FROM SOUTHERN IDAHO' Lepidoptera : Pykalidae ElCHARD A. MaCKIE, University of Idaho, Moscow During the course of studies on insects associated with range plants in southern Idaho a caterpillar was found severely defoliating Atri-plex confertifolia (Torr.), a valuable desert forage plant, in several localized areas of the Raft River Valley, near Malta, Idaho. A few specimens were reared and the adults subsequently identified by J. F. Gates Clarke as an undescribed species of Eumysia. The purpose of this paper is to provide a name for this species so that it might be used elsewhere. The author is indebted to Dr. W. F. Barr, University of Idaho ; Dr. J. F. Gates Clarke, U. S. National Museum, and Dr. F. D. Rindge, American Museum of Natural History, for their assistance in the preparation of this paper. Dr. Clarke also made available to the au-thor paratype specimens of most of the other members of the genus. Special thanks are also due Arthur D. Cushman, U. S. Department of Agriculture, whose excellent drawings appear in this paper. Eumysia idahoensis, new species Male. — Alar expanse 22 mm. Body and forewings slate-gray in appearance, uniformly flecked with white. Head with antenna white, broadly annulated with black; labial palpus gray. Thorax with legs gray, darkened at joints. Fore wing dark slate-gray above, abruptly lighter in color beyond subterminal line, ocher-ous scales scattered over surface, moderately concentrated in areas of submedial ^Published with the approval of the Director of the Idaho Agricultural Experi-ment Station as Research Paper 429.