348 [ JUNE, 
scutellum black; elytra luteous, irregularly rugose, with scarcely any appear- 
ance of punctures; margin posteriorly and at the apex blackish. Spurs of the 
posterior tibize very slender and acute. Maxille about half the length of the 
body. 
15. N.nemorensis, nigra, villosa, capite medio, mandibularumque basi 
testaceis, thorace transverso, postice subangustato, confertim punctato, flavo, 
fusco bi- vel tri-guttato; elytris subtiliter punctulatis. Long. -25. 
Hentz, Trans. Am. Phil. Soc. 3, 258. 
N. bimaculata Mels. Pr. Ac. Nat. Se. 3, 54. 
Alabama and New York, rare. For a variety from the Hentz collection, with- 
out thoracic spots, 1am indebted to S. 8. Haldeman. ‘This species establishes a 
passage to the next division of the genus. ‘The maxille are only half as long as 
the body, as in the preceding species, and the head is shorter than usual, as in 
N. palliata; the 2d joint of the antennz is half as long as the 3d. 
B.—d. 
16. N. cribraria, nigra nitida, parce nigro-villosa, capite parce punctato, 
gutta frontali testacea, thorace transverso, lateribus antice rotundatis, parce 
punctato, flavo, fusco binotato, elytris flavis, parce grosse punctatis, macula 
apicali scutelloque nigris, abdomine testaceo. Long. :27. 
One specimen, Sta. Fe, Mr. Fendler. Head elongated, with the mouth 
strongly produced; fuscous or blackish, strongly punctured, vertex testaceous ; 
antenne with the 2d joimt very small; maxille about half the length of the 
body. Thorax yellow, one half wider than long, sides parallel, anteriorly 
rounded, dise sparsely punctured, witn two fuscous spots towards the base. 
Seutellum black. Elytra shining yellow, sparsely and coarsely punctured, 
punctures becoming smaller towards the apex ; bright yellow, with a large apical 
black spot; thinly clothed with short black hair, Beneath black, abdomen tes- 
taceous, with the base fuscous. Posterior tibia with both spurs very slender 
and acute. 
17. N.immaculata, virescenti-flava, nitida, glabra, thorace quadrato, non 
transverso, angulis anticis rotundatis, vix punctato, elytris parce cribroso-punc- 
tatis, antennis genubus tarsisque nigris. Long. -4. 
Say, Journ. Ac. Nat. Sc. 2, 22. Am. Ent. pl. 3. 
Two specimens, Sta. Fé. Mr. Fendler. The maxille in this species are only 
one fourth as long as the body; the second joint of the antenne is more than 
half as long as the third; the first is indistinctly testaceous. The spurs of the 
posterior tibia are small and acute. 
B.—e. 
is. N. vittigera, testacea, parce flavo-pubescens, thorace vix transverso, 
confertim punctato, lateribus parallelis antice rotundatis, elytris confluenter 
punctatis, vitta utrinque dilatata infuscata, antennis, palpis, genubus, tibiis 
tarsisque nigris. Long. °4. 
One specimen, Georgia. Body testaceous, with a few yellow hairs. Head 
densely punctured, triangular, mouth elongated, palpi and maxillz blackish, the 
latter about one fourth as long as the body; last joint of the palpi nearly twice 
as long as the penultimate. Antenne black, second joint about half as long as 
the third. Thorax scarcely wider than long, sides almost straight, apex rounded, 
so as to include a small portion of the sides; dise densely punctured. LElytra 
scabrous with confluent punctures, each with a broad brownish vitta extending 
from near the base to the apex. Beneath testaceous, knees, tibiae and tarsi 
black; spurs of the posterior tibiew short, the outer one broad, obtuse and 
rounded, the inner one narrower, but also obtuse, 
19. N. cribricollis, testacea, vix pubescens, thorace subtransverso, 
Jateribus rotundatis, confertim cribroso, elytris confluenter punctatis, antennis 
tarsisque nigris, tibils versus apicem infuscatis. Long. -28. | 
One specimen, Texas, Lieut. Haldeman. Sufficiently distinet by the strongly 
and densely punctured thorax. The antenne and tibial spurs as in the last spe- 
