MACROLEPIDOPTERA 171 



5. Second line of forewings not sinuate inwards above middle 6. 



» .. more or less distinctly sinuate inwards above 



middle 15. 



6. Expanse 46 mm. or more; median shade usually obsolete 7. 



,. 43 mm. or less; median shade distinct S. 



7. Forewings with termen slightly waved (28) euryph 



,. » in i moderately waved, in $ dentate {2g) hyparcha. 



8. First line nearly approximated to median {4) epicy. 



'laea. 



yma. 



,, remote from median o. 



g. Discal spot of forewings very long-transverse, dark, conspicuous {i) syngonopa. 



„ „ oval, indistinct or obsolete 10. 



10. Discal spot annular (2) arboricolans. 



,, not annular n. 



11. Second line of forewings slightly curved; expanse 42 mm {8) homotrias. 



,, ,, moderately curved; expanse not over 38 mm 12. 



12. Second line of forewings nearly approximated to median on dorsal 



third (Oahu species) (3) caryopis. 



„ „ not markedly approximated to median 13. 



13. Forewings with discal dot separate (Maui species) (j) corticea. 



„ „ absorbed or obsolete 14. 



14. Hindwings with termen waved (Hawaii species) {y) aruraea. 



„ „ dentate (Kauai species) (6) isospora. 



15. First line of forewings bent or angulated in middle 16. 



,, ,, ,, above middle 17. 



16. Forewings whitish-ochreous, median line well-marked (/z) anagraptis. 



„ fuscous or brownish-ochreous, median line absent {10) trapezias. 



17. Apex of forewings distinctly prominent (ij) gom'asfis. 



„ „ not prominent 18. 



A. Males (p hecataea, and 20 platycapna unknown). 



18. Forewings with glandular patch of modified whitish-ochreous scales 



beneath in cell {22) trachyopis. 



„ without such patch 19. 



19. Antennal pectinations irregularly blotched with dark fuscous 20. 



,, „ evenly dark-lined 23. 



2 0. Abdomen i ^ — i^ 21- 



„ almost 2 {23) macrosoma. 



21. Discal spot of forewings whitish {21) nephelosticta. 



„ „ not whitish 22. 



22. Forewings fuscous or dark fuscous; posterior tarsi 4 {ig) capnopa. 



„ ochreous-fuscous, reddish-tinged; posterior tarsi | {18) triscia. 



2 3. Abdomen i — \\ ^4- 



t1 25. 



24. Forewings light fuscous, discal spot broader, roundish {12) ido/ias. 



„ brownish-ochreous or fuscous, sometimes ferruginous-tinged, 



discal spot narrower, lunate {13) paludicola. 



25. Forewings with apical spot of pale suffusion 26. 



,, without such spot 27. 



26. Forewings with dorsal edge and terminal cilia clear pale yellowish {23) artemidora. 



„ „ „ not pale {24) pachyspila. 



M. F. 11. ^3 



