244 FAUNA HAWAIIENSIS 



(8) Orthomecyna epicausta, sp. nov. 



^ %. 13 — 20 mm. Head, palpi, and thorax dark fuscous, sometimes mixed with 

 whitish-ochreous. Abdomen ochreous or fuscous, towards apex whitish, genital tuft 

 of ^ blackish. Legs ochreous-whitish, anterior pair banded with fuscous. Forewings 

 elongate, rather dark brown, more or less mixed and posteriorly or sometimes 

 wholly suffused with dark fuscous ; first and second lines obscurely pale or brownish- 

 ochreous, often obsolete, approximated dorsally, first irregular, second curved on 

 upper f , sometimes united to form a distinct whitish-ochreous dorsal blotch ; a very 

 obscure dark fuscous discal spot : cilia fuscous, with two suffused darker lines. 

 Hind wings ochreous-yellow or whitish-yellowish ; a moderately broad blackish-fuscous 

 terminal fascia, more or less extended along dorsum ; often a narrow median longitudinal 

 streak of dark fuscous irroration, and another less marked beneath costa ; cilia fuscous, 

 sometimes becoming yellow-whitish towards tornus. (Plate VI. fig. 25.) 



30 specimens, Kona, Hawaii, at 4000 — 6000 feet, from June to September. 



(9) Orthomecyna picrodes, sp. nov. 



t%. 21 — 23 mm. Head, palpi, thorax, abdomen, and legs rather dark slaty- 

 fuscous. Forewings rather elongate, slaty-fuscous, darker-sprinkled, in % whitish- 

 sprinkled towards termen ; first and second lines in ^ obsolete, in $ obscurely 

 whitish, first obtusely bent in middle, second curved on upper f ; in $ a very 

 obscure dark discal dot : cilia fuscous, somewhat whitish-mixed, with darker subbasal 

 line. Hindwings grey; a dull whitish-yellowish grey-sprinkled suffusion occupying 

 whole of disc except an obscure median longitudinal streak ; cilia as in forewings. 

 (Plate VI. fig. 26.) 



2 specimens, Hualalai, Hawaii, at 8000 feet, in August. 



(10) Oi-t/iomecyna aphanopis Meyr. 



Orthomecyna aphanopis Meyr. Trans. Ent. Soc. Lond. 1888, p. 227. 



No specimens sent by Mr Perkins. The locality for this species is un- 

 recorded, but probably it was Maui or Oahu, as most of Mr Blackburn's other 

 specimens were thence. 



(11) Orthomecyna mesochasvia, sp. nov. 



t%- 18 — 21 mm. Head, palpi, and thorax whitish mixed with grey. Abdomen 

 light ochreous-yellow. Legs whitish, banded with grey. Forewings rather elongate, 

 fuscous, much irrorated or sometimes suffused with whitish ; first and second lines 



