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Psyllids are phloem feeding insects which induce damages to their host plants. Few number of psyllid species has been described in Cameroon and many species remain unknown. Recent field survey carried out in Cameroon, permitted to collect Trioza schefflerae sp. nov. on Schefflera abyssinica (Araliaceae) a valuable timber tree on which it causes serious damage by inducing pit galls and leaf necrosis. Adult were captured with a sweep net of 0.5 mm mesh size and an aspirator while the larvae were sampled directly on the host plant at Titia locality, West, Cameroon. Drawings and measurements were made from slide-mounted material. The nymph margins covered by truncate tubular sectasetae; circumanal semi-circular. Adult, genal cones developed with rounded apices; male genitalia with a pedunculate proctiger, paramere slightly narrow apically; aedeagus presents a sickle-shaped apical inflation with a sclerotized end tube of ductus ejaculatorius; female genitalia with a trapezoidal proctiger bearing medial long setae; subgenital plate triangular with a rounded apex. Trioza schefflerae is closely related to T. valida from Taiwan but the two species differ on the shape of head, antenna, wings, and female genitalia. Then T. schefflerae is a new species of psyllid in Triozidae family.

TRIOZA SCHEFFLERAE SP.NOV. (HEMIPTERA: TRIOZIDAE), A NEW SPECIES OF PSYLLID ASSOCIATED WITH SCHEFFLERA ABYSSINICA (ARALIACEAE) FROM CAMEROON