742 THE AMERICAN NATURALIST. (VoL. XXXIX. 
minutely, iras ipsc punctate all over, therefore rough and not 
shining j Entechnia toluca (Cresson). 
Larger ; at DA over 3 mm. ong; ; carers well punctured but shin- 
ing. x . : : : $: 
3. Large and ei ER 12 mm. Misi or more 
D. bituberculata ( Cresson). 
Smaller ; about 10 mm. long, or less . i : afflicta (Cresson). 
4. Very large species, about 15 mm. lon megamorpha Cockerell. 
Large stout species, about 13 mm. Te hai of thorax above ochraceous 
or fulvous, with the disc bare ^ : . > i . LA 
Smaller species, less than 12 mm. long . 7- 
5. Hind spur of hind tibia straight or practically so; pee more one 
punctured, the large punctures stronger enavata (Cresson). 
Hind spur of hind tibia strongly bent at end i ciypei less Pe punc- 
tured, the large punctures weaker 6. 
6. Legs dark red; abdominal beitiedho 3 ad 4 with: a narrow “apical 
fringe, the rest thinly hairy ; ; australis (Cresson). 
Legs black ; abdominal segments 3 and 4 with lateral areas where the sur- 
face is raised and shining black, the hair on it being very sparse and 
dark . : australis opuntie (Cockerell). 
7. Anterior edge = abdasiiea! bills curved, the basal part of the seg- 
ments dark; comparatively large and broad form: hind spur of hind 
legs curved st end : australis rinconis (Cockerell). 
Anterior edge of Danaina RN, not curved, the pubescence, except at 
margin, uniformly distributed ; smaller forms 
8. Hair on inner side of basal joint of hind tarsi light anda: ; abdo- 
men entirely covered with yellowish tomentum Dasiapis ochracea Ckll. 
Hair on inner side of basal joint of hind tarsi fuscous or black 9. 
9. Face broad, eyes scarcely converging below; eyes narrow, especially 
above; mesothorax shining, impunctate in middle, at sides with large 
scattered punctures; abdomen broad, with narrow ochreous hair-bands 
on hind margins of segments 2 to 4 A . laticauda Cockerell.* 
Eyes broader and shorter, distinctly converging below ; mesothorax dul- 
ler, the sides with very numerous feeble minute punctures 
diminuta (Cresson). 
Larger than the two last (11 mm. long) and at once separated from them by 
having much fuscous or black hair on the abdomen ; there are ochreous 
marginal hair-bands SUM ^ i j friesei Cockerell. 
MALES. 
Hair of face black . 
Hair of face not black. 
1. Apex of abdomen truncate; us very iub ; maxill palpi not 
fringed with hair; size very small : . Entechnia toluca (Cresson). 
M ( u: 
