Females to 1.65 in (42 mm), males to 0.6 in (15 mm) in length. Males have an elongated basal segment of the first antenna. The body is transparent except for four small retinal masses and occasional pale purple chromatophores on the thorax and abdomen. The eyes make up about one-quarter of the body, and therefore this species is placed in the infraorder Physocephalata ("large head"). Each of the eyes is split into a medial and lateral eye. The medial eyes are large with long cones angled to small retinal masses. The lateral eyes are small and located near the mouth.
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