Pest Fruit Flies of the World – Larvae

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L.E. Carroll, A.L. Norrbom, M.J. Dallwitz, and F.C. Thompson

Ceratitis colae Silvestri

Body length 7–9.5mm (range estimated, LEC coded as 8–8.5); slender, elongate, tapering anteriorly, or stout, elongate, tapering anteriorly (?). Integument unsclerotized, entirely whitish to yellowish. Caudal ridge present. Mature larvae able to jump (?).

Head. Head of normal shape. Antenna 2-segmented. Stomal organ: primary lobe small, round (?); number of peg sensilla small, peg-like;?; other peg-sensilla-like structures ?. Stomal region: secondary lobes present, short, leaf-like (?); margins of secondary lobes all entire (?); sclerotized stomal guards absent (?). Oral ridges present (?); number of oral ridges ?; margins serrate, or scalloped (short, bluntly rounded teeth; ?). Accessory plates absent (?). Elongate, finger-like lobes arising above mandibles absent (?). Median oral lobe ?. Labium broad (?).

Cephalopharyngeal skeleton. Parastomal bars elongate, free from hypopharyngeal sclerite (?). Dental sclerites present, posterior to mandibles (?).

Spinules and creeping welts. Dorsal spinules on segments T1-T2 (-3?).

Caudal segment (a8) and anal lobes. Sensilla on caudal segment 10 pairs, with at least 7 pairs visible under dissecting microscope (?).

Anterior spiracles. Anterior spiracular tubules 13–17 (range estimated, LEC coded 15); in a single uniform row, or in a single irregular row (?).

Posterior spiracles. Posterior spiracular area not distinctly set off from caudal segment. Posterior spiracles: slits 2.5–3.5x longer than wide (range estimated, LEC coded 3). Area between posterior spiracles smooth.

Host plants. Sterculiaceae.

Part of plant attacked: fruit.

Biogeographic region. Afrotropical.

Specimens examined. Based on description by Silvestri (1913).

Sources of data and SEM numbers: 305.


Cite this publication as: ‘L.E. Carroll, A.L. Norrbom, M.J. Dallwitz, and F.C. Thompson. 2004 onwards. Pest fruit flies of the world – larvae. Version: 8th December 2006. http://delta-intkey.com’.

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