952 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. xxvn. 



red not extending upward into the middle field, and the generalh^ lighter 

 color. 



Head and thorax as in typical si(in!ehrastl except the anterior 

 l)order of the latter i,s even less noticeably notched than in that form, 

 being practically entire. Antennss long, compressed toward the apex. 

 Elytra long and slender, surpassing the tips of the femora by about 

 the length of tlie thorax, membranous in the apical fourth; color 

 light testaceous, somewhat infuscated, the infuscation forming indi- 

 cations of two ver}' illy-defined transverse liands or clouds, one at the 



humeral angle and one about the middle 

 of the el3'tra; on the membranous tip the 

 infuscation is in the form of somewhat 

 rounded spots. Wings comparativel}^ 

 longer and more pointed than in sumi- 

 chrasf!. pale yellowish at the extreme 

 base followed in the anal field by an area 

 of bright but somewhat washed-out-ap- 

 pearing red color; beyond this red disk, 

 which scarcel}' extends above into the mid- 

 dle area, is a narrow fuscous band, inter- 

 rupted in the middle field and with scarcely 

 any humeral ta?nia; bevond this fuscous 

 band the wing is hyaline. Posterior fem- 

 ora longer and more slender than in typ- 

 ical specimens and the outer face some- 

 what less flattened and not banded with 

 fuscous, but internally there are three black bands, a very narrow one 

 near the base, a broad one with the outer edge at the middle of the 

 femur, and another very narrow one at the middle of the apical two- 

 thirds. Besides this the inner geniculation is piceous, and there is a 

 broad pallid annulation at the tip of the femora. Hind tibia? pale 

 yellowish on the basal third followed hy a very narrow black ring, 

 the rest of the tibijc red with the base on the inner side piceous and 



FK.. :'..— HELIASTUS SXMICHRASTr, VAK. 

 srBROSEA, MALE (ENLAEGEP). 



■l\ pronotum, male, 



the spines tipped with black. 



Length, antenna^, male, 12 mm., female, - 

 4.5 mm., female, 5 mm.; elytra, male, 21 mm., female, 20 mm.; pos- 

 terior femora, male, 12 mm., female, 15 mm. 



Tyi)e.—Q,2X. No. 77Y4, U.S.N.M., male. 



