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ISSN : 2456-8643

Title:
JUMPING PLANT-LOUSE EURYCONUS DIALIA SP. NOV. (HEMIPTERA: PSYLLIDAE), ASSOCIATED WITH DIALIUM SP. (FABACEAE) IN CAMEROON

Authors:
Yana Wenceslas*, Dzokou Victor Joly, Mveyo Ndankeu Yves Patrick ,and Tamesse Joseph Lebel ,Cameroon

Abstract:
Jumping plant lice are phytophagous insects which induce damages to their host plants. The biodiversity of Cameroonian psyllid fauna is important but many species remain unknown. Euryconus dialia sp. nov. is associated with Dialium sp. a valuable timber tree in which the psyllid induces necrosis of leaves especially young plants. The aim of this work is the describe and identify the psyllid associated with Dialium sp. in Cameroon, a contribution of the psyllid biodiversity study in Cameroonian fauna. From the description E. dialia sp. nov. is characterized by forewing pattern in which the surface is covered by large brown band which is darker on the distal portion of the wing and on c+sc cell, a light white area covered the third surface of c+sc cell on the proximal portion and another light white area is surrounding half of the Rs vein; internal veins carrying dark patches except M2+3 and R+M+Cu veins. Genal processes well developed and broad anteriorly slightly incised forming two tubercles on the apex. Terminal abdominal margin with 4+4 truncate sectasetae; anus oval, in terminal position; circumanal ring consisting of a single row of pores; additional pore fields developed, convulted, extending much onto abdominal dorsum and consisting of a single row of wax pores. Comparing E. dialia with the specimens recorded previously elsewhere it is morphologically different from them and can be reported as new species in the Euryconus genus.

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