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Trirhithrum albonigrum (Enderlein, 1911)

Trirhithrum albonigrum (Enderlein)
Ceratitis albonigra Enderlein, 1911: 410.
Wing length=7.2-8.0 mm; Aculeus length=3.44 mm.

Arista plumose. Three pairs frontal setae. Face variable from dark (possibly just discoloured) to pale (lectotype is bright cream coloured). Thorax:
Postpronotal lobe entirely dark. Scutum without silvery-white microtrichose areas. Scutellum disk white; margin dark with three dark patches. Anepisternum entirely dark; usually with two setae (rarely one). Anatergite without a bright silvery spot. Wing:
Pattern distinct. Subbasal and discal crossbands fused throughout; cell c dark. Discal crossband distally aligned with base of pterostigma; R-M crossvein well distal to edge of discal crossband. Subapical crossband joined to discal crossband; base deep, partly in cell dm. Posterior apical crossband complete, extending from vein C to wing margin, or with a break in cell r ¢¡¤£ . Anal lobe largely dark, except for trace of hyaline margin. No bulla. Legs:
Femora dark. Abdomen:
With distinct grey/silvery microtrichose bands (distinct on tergite IV, less so on tergite II).
Aculeus very long and pointed, with a slight medial constriction; spermatheca long and recurved (apparently similar to T. demeyeri).
(Description after White et al., 2003)
See description of Trirhithrum albonigrum (Enderlein, 1911) in source PDF.


Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Marc de Meyer, MRAC

Source: Afrotropical Fruitfly Project

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