Bactrocera (Zeugodacus) yoshimotoi (Hardy)

Drew, R. A. I., Romig, M. C. & Dorji, C., 2007, Records Of Dacine Fruit Flies And New Species Of Dacus (Diptera: Tephritidae) In Bhutan, Raffles Bulletin of Zoology 55 (1), pp. 1-21 : 12-13

Bactrocera (Zeugodacus) yoshimotoi (Hardy)

Dacus (Strumeta) yoshimotoi Hardy, 1973: 53 . Holotype male in BPBM.

Bactrocera (Bactrocera) yoshimotoi – Hardy, 1977: 52; Norrbom et al., 1998: 96.

Bactrocera (Zeugodacus) yoshimotoi – White & Evenhuis, 1999: 534.

Material examined. – BHUTAN: 12 males (10 May.2002) , 11 males (17 May.2002), 7 males (24 May.2002), Rimchu , coll. C. Dorji ; 2 males (10 May.2000), 29 males (17 May.2000), 24 males (24 May.2000), 3 males (31 May.2000), 11 males (7 Jun.2000), 18 males (28 Jun.2000), 13 males (5 Jul.2000), 12 males (19 Jul.2000), 27 males (23 Jul.2000), 4 males (26 Jul.2000), 4 males (2 Aug.2000), 12 males (10 Aug.2000), 11 males (16 Aug.2000), 33 males (30 Aug.2000), 50 males (6 Sep.2000), 37 males (12 Sep.2000), 47 males (20 Sep.2000), 17 males (27 Sep.2000), 1 male (5 Oct.2000), Rimchu trap No. 1, coll. C. Dorji ; 25 males (4 May.2000), 26 males (10 May.2000), Rimchu trap No. 1, coll. B.S. Fletcher ; 22 males, Rimchu trap No. 1, 21 Jun.2000, coll. Nado et al .; 4 males, Rimchu trap No. 1, 14 Jun.2000, coll. Nado & Tshomo ; 3 males, Rimchu trap No. 2, 4 May.2002, coll. B.S. Fletcher ; 1 male, Rimchu trap No. 2, 28 Jun.2000, coll. C. Dorji ; 1 male (10 May.2000), 1 male (17 May.2000), Lumitshawa , coll. C. Dorji ; 3 males (3 Jul.2000), 4 males (21 Aug.2000), Tsirang, Suntalay ; 1 male, Tsirang, 7 Aug.2000 ; 1 male, Phuentsholing , 6 May.2000, coll. S. Thapa. All specimens attracted to cue lure. Specimens in NPPC and QDPI .

Diagnosis. – A small to medium sized species; face fulvous with a pair of small to large transverse oval black spots; postpronotal lobes and notopleura yellow; two narrow lateral postsutural vittae; a moderately broad medial postsutural vitta; mesopleural stripe slightly wider than notopleuron dorsally; scutellum yellow; wing with a narrow fuscous costal band confluent with R 2+3 and remaining narrow beyond apex of this vein before widening across apex of R 4+5, a broad fuscous cubital streak; cells bc and c colourless; microtrichia in outer corner of cell c only; abdominal terga III and IV red-brown with a general black ‘T’ pattern on each tergum, tergum V red-brown with a broad medial longitudinal black band and moderately broad black lateral margins.

Attractant. – Cue lure.

Distribution. – Vietnam. New record for Bhutan.

Hosts. – No known record.

Remarks. – Bactrocera (Zeugodacus) yoshimotoi (Hardy) is readily distinguished by the face with transverse oval black spots, postpronotal lobes and notopleura yellow, two sc. setae, femora entirely fulvous, a strong supernumerary lobe in the male wing, abdominal terga III and IV with separate black ‘T’ patterns and tergum V with a medial longitudinal black band and lateral margins black. It is not a pest species.