LIBELLULA PORTIA. Coerulescenti-nigra, alarum dimidio antico
fusco-coerulescenti nitido, postice bi-emarginato. (Expans. Alar. 1 unc.
9 lin.)
SYN. Libellula Portia, _Drury_, _App. vol._ 2.
Libellula marginata, _Pal. Beauv. d'Afr. et d'Amer. Neur. pl._ 2. _fig._
5. _Fabr. Ent Syst._ ii. _p._ 380.
HABITAT: Sierra Leone.
{97}Head black. Eyes contiguous. Thorax and abdomen blue. Wings partly
dark brown (almost black) and transparent, the anterior edges from the
body to the tips being dark brown, and the posterior edges transparent.
Posterior wings longest, a circumstance observable only in those whose
wings next the body are broad and deep.