Dacus (Mellesis) discophorus (Hering), 2013

David, K. J. & Ramani, S., 2019, New species, redescriptions and phylogenetic revision of tribe Dacini (Diptera: Tephritidae: Dacinae) from India based on morphological characters, Zootaxa 4551 (2), pp. 101-146 : 125-126

Dacus (Mellesis) discophorus (Hering)

Callantra discophora Hering, 1956: 64 .

Dacus (Callantra) discophorus (in Drew et al., 1998: 586; Norrbom et al., 1999: 130; David & Ramani, 2011: 4).

Dacus (Mellesis) discophorus (Hering) (in Drew & Romig, 2013: 381) .

Material examined: 3♂, INDIA, Karnataka, Chettalli , 26.viii. 2012, Ranganath, H. R ., 2♂, INDIA, Karnataka, Bangalore , 14.x.2013, David, K. J ., 1♂, INDIA, Karnataka, Bangalore, Attur Farm , 16.ix.2013, David, K. J ., 1♂, INDIA, Karnataka, Bangalore, Attur Farm , 02.ix.2013, David, K. J ., 1♂, INDIA, Karnataka, Bangalore, Attur Farm , 16.vi.2014, David, K. J .

Diagnosis: Male with epandrium and surstyli distinctly bulb-shaped (posterior view) ( Fig. 7F ). Lateral surstylus shorter than epandrium, apex of posterior lobe of surstylus lanceolate, 2̄3 times longer than anterior lobe ( Fig. 4R ). Proctiger triangular and smaller than epandrium. Medial surstylus longer than lateral surstylus, tapering towards apex with a pair of prensisetae ( Fig. 7F ). Phallus 2.4 mm long excluding glans (0.38 mm); 0.75 of glans sclerotised with (hexagonal) patterned praeputium; subapical lobe and basal lobe present ( Fig. 10P ).

Figures

FIGURE 4. Epandrium and surstyli (lateral view) of tribe Dacini. (A) Z. (Parasinodacus) incisus; (B) B. (Parazeugodacus) bipustulata; (C) Z. (Zeugodacus) assamensis; (D) Z. (Z.) caudatus; (E) Z. (Z.) cucurbitae; (F) Z. (Z.) fuscoalatus; (G) Z. (Z.) gavisus; (H) Z. (Z.) havelockiae; (I) Z. (Z.) scutellaris; (J) Z. (Z.) tau; (K) Z. (Z.) watersi; (L) Z. (Z.) zahadi; (M) B. (Tetradacus) minax; (N) Dacus (Callantra) longicornis; (O) D. (Didacus) ciliatus; (P) D. (Leptoxyda) persicus; (Q) D. (Mellesis) crabroniformis; (R) D. (M.) discophorus; (S) D. (M.) ramanii; (T) D. (Neodacus) sphaeroidalis.

FIGURE 7. Epandrium and surstyli (posterior view) of Bactrocera and Dacus. (A) B. (Tetradacus) minax; (B), D. (Callantra) longicornis; (C) D. (Didacus) ciliatus; (D) D. (Leptoxyda) persicus; (E) D. (Mellesis) crabroniformis; (F) D. (Mellesis) discophorus; (G) D. (Mellesis) ramanii; (H) D. (Neodacus) sphaeroidalis.

FIGURE 10. Glans of phallus of Dacini. (A) Z. (Zeugodacus) assamensis; (B) Z. (Z.) caudatus; (C) B. (Z.) cucurbitae; (D) Z. (Z.) fuscoalatus; (E) Z. (Z.) gavisus; (F) Z. (Z.) havelockiae; (G) Z. (Z.) scutellaris; (H) Z.(Z.) tau; (I) Z. (Z.) watersi; (J) Z. (Z.) zahadi; (K) B. (Tetradacus) minax; (L) Dacus (Callantra) longicornis; (M) D. (Didacus) ciliatus; (N) D. (Leptoxyda) persicus; (O) D. (Mellesis) crabroniformis; (P) D. (M.) discophorus; (Q) D. (M.) ramanii; (R) D. (Neodacus) sphaeroidalis.