450 NEW YORK STATE MUSEUM 



the two in the larval stage, though the adults present a very similar 

 appearance. It is therefore described as a new form. 



Female. Proboscis dark brown, about two thirds the length of 

 the body. Palpi short, dark brown, third segment about one third 

 the length of the stout uniform fourth segment ; fifth rudimentary. 

 Antennae a little shorter than the proboscis. Basal segment 

 yellowish brown, fuscous internally and with an inconspicuous patch 

 of whitish scales dorsally and internally ; other segments dark brown 

 with medium basal whorls and thinly clothed with short golden 

 setae. Occiput thickly clothed with curved, golden yellow scales 

 and with numerous erect, golden yellow, fork scales posteriorly. 

 Mesonotum with a conspicuous median stripe of rich brown scales, 

 becoming yellowish, thinner and obsolete posteriorly. A short, 

 sublateral line of the same color occurs on the posterior third ; other 

 portions of mesonotum rather thickly clothed with golden yellow 

 scales. Pleura thickly clothed with silvery white scales. Scutellum 

 rather thickly clothed with long, golden yellow scales and with a con- 

 spicuous median and smaller lateral apical groups of long, golden 

 yellow setae; postscutellum smooth, dark brown. Halteres, apical 

 portion slightly fuscous, basal semitransparent, whitish. Abdomen 

 dark brown with distinct basal yellowish white bands, slightly 

 prolonged laterally. Terminal lobes fuscous. Ventral surface 

 suffused with yellowish white scales. Coxae brownish yellow, 

 rather thickly clothed with whitish scales; legs brown, unhanded. 

 Femora and tibiae yellowish white ventrally; tarsi dark brown, 

 tarsal claws unidentate. Wings with costa and first longitudinal 

 vein thickly clothed with purple brown scales, subcosta and other 

 veins more sparsely ornamented; fringe a purplish gray. Petiole 

 of first submarginal cell about two thirds the length of the cell; 

 that of the second nearly as long as its cell. Posterior cross vein a 

 little over its own length from the mid cross vein. 



Described from a freshly bred, isolated specimen obtained May 12 

 in the larval stage at Elizabethtown N. Y. The larva presents 

 some marked differences, particularly in the shape of the antennae 

 at least, from that of the typical aurifer received from Mr Brakeley 

 of Hornerstown N. J. 



Larva about ^ inch long. Antenna brown, slightly fuscous 

 apically, stout, slightly swollen at the base, gently curved and taper- 

 ing gradually to a somewhat blunt apex. Tuft at the basal third 

 consisting of about four apparently simple hairs. Tip with one long 

 segmented apical process, a shorter, much more slender one, a stout, 

 long process and a considerably stouter, short one. Surface, 

 specially apically, ornamented with rather large, stout, somewhat 

 isolated, chitinous spines. Labial plate broadly triangular with 

 about 25 rather fine teeth. Comb consisting of a somewhat triangu- 

 lar patch of about 16 scales, each with a spatulate, enlarged base, 

 coarsely and rather sparsely setose on the sides and with a stout 

 subapical and a rather long apical spine, the latter as long or longer 

 than the body of the scale. Air tube stout, about three times as 



