''Cephrenes acalle'', commonly known as the plain palm dart,
[ 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 ...
belonging to the family Hesperiidae
Skippers are a family of the Lepidoptera (moths and butterflies) named the Hesperiidae. Being diurnal, they are generally called butterflies. They were previously placed in a separate superfamily, Hesperioidea; however, the most recent taxonomy ...
. An examination of the type specimen showed that it was identical to ''Cephrenes chrysozona lompa'' Evans 1934 based on genitalia. This has led to ''Cephrenes chrysozona'' being treated as a synonym. The species breeds on palms including coconut, ''Calamus'', ''Elaeis'', ''Roystonea'' and ''Prychosperma''.
Subspecies
There are seven subspecies within the distribution range that extends from India through Indo-China into the Philippines.[Maruyama, K. (1991). Butterflies of Borneo. Vol. 2, No. 2. Hesperiidae. Tokyo.]
*''Cephrenes acalle acalle''
*''Cephrenes acalle oceanica'' (Mabille, 1904) (India, Papua)
*''Cephrenes acalle kayapu'' (Doherty, 1891) (Engano)
*''Cephrenes acalle nicobarica'' Evans, 1932 (Nicobars)
*''Cephrenes acalle chrysozona'' (Plötz, 1883) (Type locality: Philippines)
*''Cephrenes acalle kliana'' Evans, 1934 (Borneo)
*''Cephrenes acalle niasicus'' Plotz, 1886
References
Taractrocerini
Fauna of Pakistan
Butterflies of Asia
Butterflies described in 1874
{{Hesperiinae-stub