158 
Psyche 
[December 
Lobiopa Erichson 
Lobiopa Erichson, 1843, in Germar, Zeitschr. Ent., 4: 291. 
Cerophorus (pars) Castelnau, 1840, Hist. Nat. Col., 2: 10. 
Soronia (pars) Reitter, 1873, Syst. Eintheil. Nitid., p. 46. 
Horn, 1879, Trans. Am. Ent. Soc., 7: 306. 
Front lobed over the insertion of the antennae ; mandibles 
bifid at tip, the inner cusp may be smaller than the outer; 
eye facets about as in Phenolia, coarser than in Soronia ; 
labrum feebly bilobed ; labial palpi more or less incrassate ; 
antennal grooves parallel ; mentum rectangular with a small 
process at center of anterior margin; elytra not costate; 
epipleurae not extending around apex of elytra; tarsi very 
feebly dilated. 
Lobiopa contains a number of species confined to the 
New World. In addition to the three species already in the 
North American list, one is transferred from Soronia, three 
are described as new, and one described as a Soronia is 
synonymized. 
1. Six or seven distinct rows of setae on the disc of each 
elytron 2. 
About nine distinct rows of setae on the disc of each 
elytron setosa Harold. 
2. From above, eyes not as long as pronotal emargination 
is deep 3. 
From above, eyes as long or longer than pronotal emargi- 
nation is deep 5. 
3. Distinctly less than twice as long as wide 4. 
Twice as long as wide oblonga n. sp. 
4. Submentum finely punctate, length 3. 6-5. 3 mm. 
undidata (Say). 
Submentum coarsely punctate, length 5. 3-6. 7 mm. 
falli n. sp. 
5. Above with pubescence, setae, and coarsely punctate, 
length more than 4.4 mm. 6. 
Above nearly glabrous, finely punctate, length 3. 5-4. 5 
mm brunnescens Blatch. 
6. Lateral margins narrowly explanate punctata n. sp. 
Lateral margins broadly explanate insularis (Cast.). 
