MOTHS OF THE GENUS ARACHNIS — CLARKE 61 



6. Hind wing almost wholly overlaid with blackish fuscous ; dark 



markings of fore wing dark slate gray, sharply contrasted 



against white ground color aulaea ponipeia Druce (p. 63) 



Hind wing with dark markings lighter and less abundant ; dark 

 markings of fore wing lighter and not so sharply contrasted 

 with whitish groimd color aulaea Geyer (p. 62) 



7. Fore wing with at least basal half of underside entirely shaded 



with orange 8 



Fore wing with basal half or two-thirds of underside of costa 



only shaded with orange 10 



8. Gray markings of fore wing strongly outlined with black 9 



Gray markings of fore wing without black outlines. 



picta insularis Clarke (p. 66) 



9. Hind wing of male with outer band of gray spots broken but 



strongly defined ; female with outer band entire or, if broken, 



then only once picta Packard (p. 63) 



Hind wing of male with outer band consisting of three or four 

 small spots ; female with outer band consisting of four spots, 

 apical pair sometimes fused. 



picta verna Barnes and McDunnough (p. 65) 

 10. Hind wing of male semihyaline; female with basal band, on 

 underside, connected to base by a narrow gray line. 



picta maia Ottolengui (p. 66) 

 Hind wing of male not semihyaline ; female with basal band, on 

 underside, connected to base by conspicuous gray triangle. 



picta hampsoni Dyar (p. 66) 



Male genitalia 



1. Uncus flattened, with prominent dorsal ridge; lateral projection 



of harpe as narrow as, or narrower than, distal part of harpe 



beyond it (pi. 11, fig. 4) aulaea Geyer (p. 62) 



Uncus conical, without dorsal ridge ; lateral projection wider 

 than distal part of harpe beyond it (pi. 10, fig. 3; pi. 12, 

 figs. 7c, 8) 2 



2. Distal portion of harpe greatly dilated (pi. 10, fig. 3), 



apachea, new species (p. 68) 

 Distal portion of harpe not greatly dilated (pi. 12, figs. 7, 8) 3 



3. Lateral projection of harpe bent toward base ; distal end narrow, 



somewhat compressed (pi. 11, fig. 5) zuni Neumoegen (p. 69) 



Lateral projection of harpe not bent toward base; distal end 

 swollen 4 



4. Uncus short, stocky, evenly curved (pi. 12, fig. 7c) picta Packard (p. 63) 



Uncus long, slender, angulate (pi. 12, fig. 8c). 



midas Barnes and Lindsey (p. 69) 



Female genitalia^ 



1. Ductus seminalis at least partly sclerotized 2 



Ductus seminalis wholly membranous picta Packard (p. 63) 



2. Median fleshy protuberance of ostium with broad, sickle-shaped, 



sclerotized area on each side (pi. 10, fig. 2) aulaea Geyer (p. 62) 



Median fleshy protuberance of ostium without such area (pi. 11, fig. 6). 



zuni Neumoegen (p. 69) 



*The females of midas and apachea are unknown to me. 



