ocelli


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Related to ocelli: ocellus

ocelli

simple eyes of insects.
References in periodicals archive ?
Head, antennal segments, labial segments excluding fourth, entire pronotum, scutellum, corium and clavus, connexiva, venter of abdomen, legs except claws are dull ochraceous, with thick brown punctures; eyes brown, ocelli yellow with reddish tinge; 4th labial segment dark; claws ochraceous brown; membrane of hemelytra brown with dark veins.
Cerebral ocelli are defined here as being located in close association with the brain, within the peristomium or prostomium (excluding the radioles).
9') Ocellar III setae pair Frankliniella schultzei arising at a level slightly (Trybom) posterior to the anterior margin of posterior ocelli (Fig.
Head in general form transverse, subtrigonal: occiput in cephalic aspect transverse truncate, with very low and rounded juxta-ocular swellings: front dorsad of the ocelli with arcuate carination: facial shield strongly transverse, low the width at least three times the greatest depth, dorsal margin arcuate, clypeus produced in a conical tubercle: eyes prominent, almost semicircular in outline when seen from the front, and subglobose in dorsal view, in lateral view the eyes are ovate in basal outline: antennae imperfect, proximal joint small.
Occiput with a net-shaped gray pattern, darker on a transversal line between lateral ocelli, a gray medial line extending to hind margin and a blackish thin line along hind margin.
Head: Arista bare; clypeus strongly convex, entirely microsetulose; palpus parallelsided, densely microsetulose, with a few small setulae, but lacking outstanding setae; lower frons flat, projecting slightly anterior to eyes, supra-antennal shelf distinct; frontal vitta with small, elevated area restricted to upper 1/2; lower 1/2 of frons flat with straight margin; 2 pairs of fronto-orbital setae, posterior pair usually at or behind level of ocelli.
Late October usually signals the arrival of the smaller Gulf flounder, the ones called "three spot" flounder because of the three ringed ocelli on their upper sides.
henryz), diffuse shoulder marking, numerous dark spots on dorsal surface of head, and pair of closely spaced dark post-cephalic ocelli surrounded by white halo (H.
Measurements and abbreviations used here include: F1-F12 for the 1st and subsequent flagellomeres; POL (post-ocellar distance) for the distance between the inner margins of the posterior ocelli; OOL (ocellar-ocular distance) for the distance from the outer edge of a posterior ocellus to the inner margin of the compound eye; and LOL (lateral-frontal ocelli distance) for the distance between lateral and frontal ocelli.
Fastigium of vertex wide, median ocellus as large as or slightly larger than antennal sockets, lateral ocelli small.
Collectively known as Bush Browns, they possess a regular series of submarginal ocelli on the hindwings, and a pair of ocelli on the forewings, of which the lower ocellus is always the largest.