Euseius tutsi (Pritchard & Baker)

Moraes, G. J. De, Ueckermann, E. A., Oliveira, A. R. & Yaninek, J. S., 2001, Phytoseiid mites of the genus Euseius (Acari: Phytoseiidae) from Sub­Saharan Africa, Zootaxa 3, pp. 1-70 : 60-61

Euseius tutsi (Pritchard & Baker) ( Fig. 41 )

Amblyseius (Amblyseius) tutsi Pritchard & Baker, 1962: 266 ; Van der Merwe, 1968 : 144

FEMALE (Specimens measured – Benin: 5, Burundi: 3, Rwanda: 4).

Dorsum ­ Dorsal shield with few lateral striae anterior to S2, 325(307­344) long, 210(197­232) wide, j1 35(24­42), j3 42(30­48), j4 26(11­37), j5 27(11­40), j6 40(24­53), J2 43(30­53), J5 5(3­8), z2 34(26­38), z4 50(38­56), z5 22(11­29), Z1 40(21­54), Z4 45(27­59), Z5 64(53­75), s4 67(51­77), S2 46(35­61), S4 35(22­45), S5 42(32­51), r3 26(19­34), R1 16(13­21). Dorsal setae smooth, except Z5, which are serrate.

Peritreme ­ Reaching level between j3 and z2.

Venter ­ All ventral shields smooth. Distances between ST1­ST3 61(58­66), ST2­ST2 67(64­72) and ST5­ST5 75(67­82). With 2 pairs of metapodal shields. Ventrianal shield 104(96­115) long, 56(50­64) wide at ZV2 level and 67(62­74) wide at anus level.

Spermatheca ­ Calyx trumpet­shaped, 34(29­38) long; atrium small.

Legs ­ Macrosetae sharp­tipped: SgeI 26, SgeII 26(22­29), SgeIII 29(24­32), StiIII 29(26­32), SgeIV 50(45­58), StiIV 40(37­46), StIV 75(58­82).

SPECIMENS EXAMINED: Benin: 6 km N. Bukubru, Atacora, on unidentified plant, J.S. Yaninek; Brignamaro, 12 km SW. Kerou, on unidentified plant, 21­XI­89, J.S. Yaninek; Glazoue, Zou, on Manihot esculenta , 18­VII­90, A. Onzo. Burundi: 5 km S. Gitega, Rutana, on unidentified plant, 13­XII­89; 3 km E. Makamba, on Persea americana , 14­XII­89, J.S. Yaninek. Rwanda: ISAR Station, Rubona, on Ficus sp., 6­XII­ 89, J.S. Yaninek; Gitarama, on Persea americana , 6­XII­89, J.S. Yaninek; Ruhengeri, on Cassia didymobotrya and Persea americana , 8­XII­89, J.S. Yaninek.

Figures

FIGURE 41. Euseius tutsi (Pritchard & Baker) (female): A. Dorsal shield; B. Ventral surface; C. Spermatheca; D. Leg IV.