Bactrocera (Bactrocera) tuberculata (Bezzi)

David, K. J., Hancock, D. L., Singh, Shakti Kumar, Ramani, S., Behere, G. T. & Salini, S., 2017, New species, new records and updated subgeneric key of Bactrocera Macquart (Diptera: Tephritidae: Dacinae: Dacini) from India, Zootaxa 4272 (3), pp. 386-400 : 394-397

Bactrocera (Bactrocera) tuberculata (Bezzi)

( Figures 5a ̄h)

Chaetodacus tuberculatus Bezzi, 1916: 106 .

Dacus (Strumeta) tuberculatus (Bezzi) — Hardy, 1973: 50. Bactrocera (Bactrocera) tuberculata —Norrbom et al., 1999: 96.

Diagnosis. Medium sized, black species (6.00̄ 6.26 mm). Face fulvous with circular, black spot in each antennal furrow, scutum black with broad (> 0.15 mm), yellow lateral postsutural vitta ending just beyond intra-alar seta, broad anepisternal stripe reaching anterior notopleural seta, continued as a small transverse spot on katepisternum, scutellum yellow with narrow, black basal band and a pair of scutellar setae, mediotergite and subscutellum black.

All femora fulvous without any markings, tibiae and tarsal segments fulvous. Wing (5.2̄ 5.5 mm) predominantly hyaline with narrow costal band from cell sc to wing to r1 discontinued beyond the cell and an apical spot, extension of cell bcu longer than bcu, anal streak well developed. Abdomen oval, tergites black except for fulvous transverse band on tergites I+II, pecten present on tergite III, sternite V of male with a deep posterior emargination. Male genitalia: Epandrium and surstyli elongate-oval in outline (posterior view); epandrium slightly longer than lateral surstylus in profile, posterior lobe of surstylus broad, not longer than anterior lobe; ventral rim of lateral surstylus 3̄4 times longer than dorsal rim. Proctiger membraneous, quadrate, smaller than epandrium. Medial surstylus longer than lateral surstylus, tapering towards apex with a pair of thick prensisetae. Aedeagus 2.0 mm long excluding glans (0.40 mm); 0.75 of glans sclerotised with well developed acrophallus, unpatterned praeputium; subapical lobe and basal lobe present.

Male parapheromone. Methyl eugenol.

Host plants. Recorded from eight plant families ( Drew and Romig, 2013).

Material examined. 4♂♂, INDIA, Meghalaya, Umiam, ICAR-NEH, G. T. Behre ( NBAIR)

Known distribution. Myanmar, Bhutan, China, Thailand, Souhern Vietnam and Northern Vietnam

Remarks. Bactrocera tuberculata is similar to B. correcta and its allies in possessing an interrupted costal band but can be differentiated by the black abdominal tergites III to V.

Figures

FIGURES 5 a – h. Bactrocera (Bactrocera) tuberculata (Bezzi); a, head (profile view); b, scutum (dorsal view); c, thorax (lateral view) and legs; d, abdomen; e, wing; f, epandrium, proctiger and surstyli (lateral view); g, epandrium and susrtyli (posterior view); h, glans of phallus (lateral view).