Bactrocera tuberculata

Description

Typical of Bactrocera larvae with the following specific characteristics for the third instar:

Body. Body length 7.5–9mm.

Head. Stomal organ: number of peg sensilla three (long, tapered); peg sensilla unbranched; other peg-sensilla-like structures absent. Stomal region: secondary lobes short, leaf-like (4–5 preoral lobes); margins of secondary lobes all entire. Number of oral ridges 11–15; margins serrate, or scalloped (short, bluntly rounded teeth). Accessory plates small, shell-shaped; number of accessory plates 10; margins serrated. Median oral lobe absent or not protruding.

Spinules and creeping welts. Dorsal spinules on segments T1-T3.

Anterior spiracles. Anterior spiracular tubules 10–14.

Caudal segment (a8) and anal lobes. Anal lobes plainly visible, but not protuberant; simple.

Posterior spiracles. Slits 3x longer than wide (about). Dorsal spiracular processes with numerous trunks arising from an elongate base, or with numerous trunks arising from a short or semicircular base (long processes). Number of dorsal spiracular processes 11–14. Number of ventral spiracular processes 11–14. Number of lateral spiracular processes 8–12.

Host plants

Family	Genus
Anacardiaceae	Mangifera
Rosaceae	Prunus

Part of plant attacked: fruit.

Biogeographic region and distribution

Oriental

China (Yunnan), Burma.

Adult taxonomy

Bactrocera (Bactrocera) tuberculata (Bezzi)
Chaetodacus tuberculatus Bezzi 1916: 106.—Burma. s. Shan: Taung-gyi, 4000 ft. or Myitkyima. HT ♂ BMNH.
 

References

Carroll, L. E., 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.

White, I. M., and M. M. Elson-Harris. 1992. Fruit flies of economic significance: their identification and bionomics. CAB International; Wallingford, UK. 601 p.