''Porthecla willmotti'' is a

butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...

in the family

Lycaenidae Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

. It is found in eastern

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

and eastern

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

at altitudes between 1,500 and 2,200 meters. The length of the forewings is 18.2 mm for males and 18.1 mm for females., 2011
Species level taxonomy of the Neotropical hairstreak genus ''Porthecla'' (Lepidoptera: Lycaenidae: Theclinae: Eumaeini).
'' Annales de la Société Entomologique de France'' (n.s.), 47(1-2): 241-259 Adults are on wing from August to November.

Etymology

The species is named for Keith Willmott, who has spent years studying the butterflies of Ecuador and was the first to discover Ecuadorian males of this species.

References

Butterflies described in 2011 Eumaeini {{Eumaeini-stub