. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 72 ANNALS OF THE SOUTH AFRICAN MUSEUM and postverticial fovea distinct; eyes large, their hind margin scarcely or only very slightly sinuate, not bisected, separated above in both sexes, but more narrowly in $$; interocular space, however, variable in width, but usually not more than 3 times width of ocellar tubercle; ocelli with the posterior pair usually smaller and usually more elongated than anterior one, the latter some distance in front of the former, the three ocelli either on a slight elevati
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 72 ANNALS OF THE SOUTH AFRICAN MUSEUM and postverticial fovea distinct; eyes large, their hind margin scarcely or only very slightly sinuate, not bisected, separated above in both sexes, but more narrowly in $$; interocular space, however, variable in width, but usually not more than 3 times width of ocellar tubercle; ocelli with the posterior pair usually smaller and usually more elongated than anterior one, the latter some distance in front of the former, the three ocelli either on a slight elevation, more distinct in <$$, or the posterior pair flank a slight elevation or pimple-like tubercle, occasionally prominent or raised and longitudinally ridge-like as in Pantostomus, and posteriorly not, or also occasionally, continued as a central ridge; frons as in Pantostomus, but sometimes comparatively broadish, either smooth or with fine, acicular puncturation or even with fine rugulose sculpture, distinctly less transversely depressed across middle than in Pantostomus, and the outer apical angles, bounding the antennal fossae, in most forms not so angularly promi- nent or produced, rarely dentate or markedly knob-like, the apex of frons falling short, or far short, of the conically pointed apex of face; facial part in front of antennal fossae usually distinctly very much longer and more pro- jecting than in Pantostomus, the apex of facial cone thus appearing farther forward, this part of face and sides smooth or microscopically sculptured, but always shining; genae absent and fossa on sides of facial region absent or only feebly indicated, to a lesser extent than in Pantostomus; buccal cavity well developed, Text-fig. 14. Side view of . head of $ Tomomyza picti- deep, capacious, its rims thm and sharp; pennis Bezz. proboscis short, stoutish, scarcely or only slightly projecting beyond apex of buccal cavity, its lower part usually finely striate or striolate, the labella
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
