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Euseius rhusi

Authors :: De Moraes, G. J.
Zannou, I. D.
Oliveira, A. R.
Yaninek, J. S.
Hanna, R.
Publication Year :: 2006
Publisher :: Zenodo, 2006.
Abstract: Euseius rhusi (Van der Merwe) (Fig. 24) Amblyseius (Amblyseius) rhusi Van der Merwe, 1965: 63 Euseius rhusi, Moraes et al. 1986: 52 Typhlodromalus rhusi, Moraes et al., 2004: 203 Euseius rhusi, Chant & McMurtry, 2005 a: 215 FEMALE �� (Specimens measured �� Burundi: 1; Kenya: 4; Rwanda: 3). Dorsum �� Dorsal shield mostly smooth, with few striae along anterolateral margins, 367 (336��384) long and 264 (238��285) wide. Setae j 1 25 (21��27), j 3 10 (10��13), j 4 8 (5��10), j 5 7 (5��10), j 6 9 (8��11), J 2 10 (8��11), J 5 8 (6��10), z 2 11 (8��14), z 4 11 (8��14), z 5 9 (6��10), Z 1 11 (8��14), Z 4 26, Z 5 36 (34��38), s 4 18, S 2 18, S 4 16, S 5 15 (14��15), r 3 15 (14��15), R 1 13 (13��14). All setae smooth. Peritreme �� Extending almost to j 1. Venter �� Sternal shield with tridentate median lobe on posterior margin. Distances between St 1 ��St 3 62 (58��66), St 2 ��St 2 66 (62��72), St 5 ��St 5 78 (70��86). Ventrianal shield 104 (96��112) long, 58 (53��62) wide at level of Zv 2 and 65 (58��72) wide at level of anus, with a pair of large pores posteromesad of Jv 2. One pair of metapodal shields; caudoventral setae smooth and sharp��tipped. Chelicera �� Movable digit 30 long, with 1 small tooth; fixed digit 27 (25��28) long, with 3 small teeth and a clearly distinguishable pilus dentilis. Spermatheca �� Calyx mostly slender, bulged near atrium and flared distally, 42 (38�� 45) long; atrium distinct. Legs �� Macrosetae sharp��tipped; Sge II 22 (19��24), Sge III 37 (35��40), Sti III 29 (26�� 32), Sge IV 66 (61��70), Sti IV 56 (51��62), St IV 63 (53��72). Chaetotaxy of genu III: 1��2 / 1,2 / 0��1 MALE �� (Specimens measured �� Kenya 3; Rwanda: 1). Dorsum �� Dorsal shield pattern as in female, 268 (263��273) long and 208 (195��218) wide. Setae j 1 23 (23��25), j 3 8, j 4 5 (5��6), j 5 5, j 6 6 (5��8), J 2 8, J 5 5, z 2 8 (8��10), z 4 9 (8�� 10), z 5 5 (5��6), Z 1 8 (8��10), Z 4 9 (8��10), Z 5 26 (24��28), s 4 12 (10��13), S 2 10 (9��10), S 4 8 (8��10), S 5 8, r 3 11 (10��13), R 1 10 (8��13). All setae smooth. Peritreme �� Extending to level of z 2. Venter �� Ventrianal shield subtriangular, with transversal striae anteriorly and with a constriction at level of anus; 108 (100��115) long, 164 (160��168) wide at the anterior corners; with 3 pairs of preanal setae, 4 pairs of lyrifissures (1 anterior to Jv 1 and 3 anterolateral) and a pair of large pores posterior to Jv 2. Spermatodactyl �� Shaft 25 (23��26) long. Legs �� Macrosetae sharp��tipped; Sge II 25, Sge III 34 (30��38), Sti III 30 (28��33), Sge IV 53, Sti IV 43 (38��49) and St IV 54 (50��58). Chaetotaxy of genu III same as in female. SPECIMENS EXAMINED �� Burundi: 16 km S Rutana, ISABU��MOSO, on unknown plant, 13 ��XII�� 1989, J.S. Yaninek. Kenya: 16 km W Maseno, Nyanza Province, on Psidium guajava, 02��XII�� 1989, J.S. Yaninek; 30 km W Yala, Siaya District, on unknown plant, 02��XII�� 1989, J.S. Yaninek; 10 km E Kisii, on unknown plant, 03��XII�� 1989, J.S. Yaninek; Kisumu District, Ricinus communis, 03��XII�� 1989, J.S. Yaninek. Rwanda: 35 km SE Ruhonzri, Gakonki village, on Persea americana, 08��XII�� 1989 J.S. Yaninek; unknown locality, on Vernonia amygdalina, 08��XII�� 1989, S.J. Yaninek; 13 km SE Kigali, Prefecture of Kigali, on R. communis, 09��XII�� 1989, J.S. Yaninek. WORLD DISTRIBUTION �� Burundi, Kenya, Mozambique, Reunion Island, Rwanda, South Africa.<br />Published as part of De Moraes, G. J., Zannou, I. D., Oliveira, A. R., Yaninek, J. S. & Hanna, R., 2006, Phytoseiid mites of the subtribes Typhlodromalina and Euseiina (Acari: Phytoseiidae: Euseiini) from sub��Saharan Africa, pp. 1-52 in Zootaxa 1114 on pages 48-49, DOI: 10.5281/zenodo.171564<br />{"references":["Van der Merwe, G. G. (1965) South African Phytoseiidae (Acarina). I. Nine new species of the genus Amblyseius Berlese. Journal of the Entomological Society of South Africa, South Africa, 28, 57 - 76.","Moraes, G. J. de, McMurtry, J. A. & Denmark, H. A. (1986) A catalog of the mite family Phytoseiidae. References to taxonomy, synonymy, distribution and habitat. EMBRAPA - DDT, Brasilia, Brazil, 353 pp.","Moraes, G. J. de, McMurtry, J. A., Denmark, H. A., Campos, C. B. (2004) A revised catatalog of the mite family Phytoseiidae. Zootaxa, New Zealand, 434, 1 - 494.","Chant, D. A. & McMurtry A. J. (2005 a) A review of the subfamily Amblyseiinae Muma (Acari: Phytoseiidae): Part VI. The tribe Euseiini n. tribe, subtribes Typhlodromalina n. subtribe, Euseiina n. subtribe, and Ricoseiina n. subtribe. International Journal of Acarology, USA, 31: 187 - 224."]}