A set of multi-entry identification keys to African frugivorous flies (Diptera, Tephritidae)

Massimiliano Virgilio, Ian White, Marc De Meyer

Ceratitis catoirii

Genus genus unknown or Ceratitis. Key to genera Gen.o.5: sex male or female. Head Gen.h.5: first flagellomere shorter than facial margin, Gen.h.15: ocellar setae present normal to long. Wings Gen.w.5: cell bcu (cup) appendix shorter than base, Gen.w.10: (males) wing banding Ceratitis pattern, Gen.w.15: (males) posterior apical band present complete, Gen.w.20: (females) wing banding Ceratitis pattern, Gen.w.30: (females) posterior apical band present complete. Thorax Gen.t.5: prescutellar setae present, Gen.t.10: basal scutellar setae present, Gen.t.15: anepisternal setae 1, Gen.t.25: scutellum pattern Gen.t.25.4: with spots (fused or separated), Gen.t.45: postpronotal lobe patterned, Gen.t.50: anepisternal stripe absent or vertical. Abdomen Gen.a.5: tergites separated. Ecology and distribuion distribution Indian Ocean. Key to Ceratitis CER.o.5: sex female or male. (key to Ceratitis) head CER.h.5: face, ground colour white to yellow, CER.h.10: face with transverse median band no, CER.h.45: frons: longer than wide, CER.h.55: frons with silvery shine, at least in some areas no, CER.h.80: ocellar setae colour black or pale, CER.h.95: (males) lower orbital setae modified, flattened to some degree yes, CER.h.105: (males) spatulate apex of orbital setae at least three times longer than broad no, CER.h.110: (males) spatulate apex of orbital setae pale, CER.h.120: lateral vertical setae yes or no, pale. (key to Ceratitis) thorax CER.t.5: postpronotal lobe yes, CER.t.15: scutum clearly defined dark streaks or spots, CER.t.25: (male) scutum with anterior third darker, sickle-shaped dark coloration no, CER.t.35: black prescutellar-acrostichal spots yes, CER.t.40: prescutellar-acrostichal and dorsocentral black spots merged to one large spot yes, CER.t.75: scutellum markings in posterior half trilobed (joint or separate), CER.t.95: spots at end scutellum joining, CER.t.110: anepisternal setae one, CER.t.115: anepisternum pilosity partly dark pilosity in lower half or whole pale pilosity, except few darkish hairs along upper margin, CER.t.120: anepisternum colour completely pale or lower half darker coloured, CER.t.125: lower part anepisternum darker yellow to orange. (key to Ceratitis) legs CER.l.25: (males) fore femur posteriorly with bush of hairs yes, CER.l.30: (males) fore femur posterior bush colour orange, CER.l.35: (females) fore femur with dark hairs between posterior and posterodorsal row of bristles yes or no, CER.l.40: (males) mid femur, ventrally with feathering (even only partly) no, CER.l.55: (males) mid tibia with feathering no, CER.l.70: (males) mid tibia flattened and broadened no. (key to Ceratitis) wings CER.w.5: wing with anterior apical band forming continuous band with anterior part of discal band (at most connection partly interrupted) no, CER.w.25: subapical band joined with discal band, CER.w.30: posterior apical band joined with anterior apical band or free. (key to Ceratitis) abdomen CER.a.5: abdomen spot pattern unspotted, CER.a.10: tergite 2 with silvery grey band yes, CER.a.15: tergite 4 with silvery grey band yes, CER.a.20: tergite 3 with brown-black band or completely black no.