LIBELLULA PORTIA.
Plate [XLVII]. fig. 3.
Order: Neuroptera. Section: Subulicornes. Family: Libellulidæ, Leach.
Genus. Libellula, Auct.
Libellula Portia. Cœrulescenti-nigra, alarum dimidio antico fusco-cœrulescenti 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.
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.