Typhlodromus (Anthoseius) malawiensis, Zannou, I. D., De Moraes, G. J. & Hanna, R., 2002

Zannou, I. D., De Moraes, G. J. & Hanna, R., 2002, New species of phytoseiid mites from Mozambique and Malawi, Zootaxa 79, pp. 1-6 : 4-5

2. Typhlodromus (Anthoseius) malawiensis n. sp.

DIAGNOSIS ­ This species is similar to Typhlodromus (Anthoseius) praeacutus ( Van der Merwe, 1968), but differs from the latter by having, knobbed JV5 and knobbed macroseta on leg IV, and by the absence of a ventral seta on genus II.

FEMALE – ( Fig. 2 ) (10 specimens measured)

Dorsum – Dorsal shield imbricate, 277 (260­285) long and 154 (145­165) wide at widest level of the proscutum. Setae j1 19 (18­20), j3 24 (21­28), j4 21 (19­24), j5 23 (20­26), j6 28 (25­31), J2 32 (30­35), J5 10 (9­10), z2 21 (16­24), z3 25 (20­29), z4 28 (23­31), z5 24 (21­25), Z4 42 (38­45), Z5 51 (48­55), s4 30 (26­33), s6 33 (29­38), S2 33 (30­40), S4 33 (30­35), S5 19 (16­23), r3 26 (23­30), R1 24 (19­28). Setae Z4 and Z5 serrate; other setae smooth. Seta Z5 blunt.

Peritreme – Extending forward to the level of insertion of j1.

Venter – All shields distinct and smooth. Sternal shield with a median, rounded projection on posterior margin, 2 pairs of setae and two pairs of lyrifissures. Setae st3 on pair of small shields; setae st4 on metasternal shields. Distance between setae st1­st3 56 (50­58), st2­st2 51 (48­53), st5­st5 53 (48­58). Ventrianal shield concave laterally, 88 (80­93) long, 66 (63­70) wide at level of ZV2 and 59 (54­65) wide at level of anus, with 4 pairs of preanal setae and a pair of pores posteromesad to JV2.

Chelicera – Movable digit 21 long, with 2 teeth; fixed digit 20 long, with 3 teeth and a pilus dentilis.

Spermatheca – Calyx 21 long, funnel shaped; atrium poorly defined.

Legs – With a single, knobbed macroseta, 19 (16­23) long, on tarsus of leg IV. Chaetotaxy of genu II 2 ­(2,2)/0­1; genu III 1 ­(2,2)/1­1.

MALE – Unknown.

LOCALITY AND TYPE MATERIAL – Holotype female from Musa sp., 1.3 km N Salima military camp, Malawi, 8­VII­1999, leg. I. Zannou ( ESALQ / USP); 1 paratype female from Manihot esculenta , 10 km SSE Chiweta, Malawi, 6­V­2000, leg. I. Zannou ( ESALQ / USP); 2 paratype females from Manihot esculenta , 10 km SSE Chiweta, Malawi, 6­V­2000, leg. I. Zannou (IITAIM­Benin); 3 paratype females from Ficus exasperata , 7.3 km SSE Chiweta, Malawi, 5­V­2000; leg. I. Zannou (IITAIM­Benin); 1 paratype female from Psidium guajava , 10 km N Salima military camp, Malawi, 8­V­2000, leg. I. Zannou (ARC­PPRI); 1 paratype female from Piliostigma thonningii , 2.3 km N Salima military camp, Malawi, 8­VII­1999, leg. I. Zannou (USNMNH); 1 paratype female from Trichodesma zeylanicum , 2.3 km N Salima military camp, Malawi, 8­VII­1999, leg. I. Zannou (USNMNH).

ETYMOLOGY: The name malawiensis refers to the country where the type specimens were collected.

Figures

FIGURE 2. Typhlodromus (Anthoseius) malawiensis Zannou, Moraes & Hanna n. sp. (female): A. Dorsal shield; B. Ventral surface; C. Chelicera; D. Spermatheca; E. Leg IV.