Preimaginal stages and biology of Bactericera lyrata (Hemiptera: Psylloidea: Triozidae)

Seljak Gabrijel, Malenovský Igor
Acta Entomologica Musei Nationalis Pragae 54(1): 35-46, 2014
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Abstract: The egg and fifth instar immature of the jumping plant-louse Bactericera lyrata Seljak, Malenovský & Lauterer, 2008 (Hemiptera: Psylloidea: Triozidae) are described and illustrated for the first time based on material collected in Slovenia and reared on Potentilla reptans (Rosaceae) which is confirmed as a host plant. The morphology of the fifth instar immature is compared with closely related species and a key for the identification of the fifth instar immatures of west Palaearctic species of Bactericera Puton, 1876 associated with Rosaceae is provided. Bactericera lyrata has three generations per year in Slovenia with adults overwintering. It is unknown whether they migrate to conifers. The colour dimorphism of adults of the summer and overwintering generations is illustrated and briefly discussed.
Key words: Sternorrhyncha; Bactericera; jumping plant-lice; psyllids; egg; immature morphology; host plant; life cycle; Rosaceae; Slovenia; Palaearctic Region
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