Occurrence of Adoretus compressus(Weber,1801),a new insect pest of maize in China
This paper describes morphological characteristics and current occurrence and damage of a newly recorded insect pest feeding on maize in China,Adoretus compressus(Weber,1801),which was found in Yunnan province.The adults of A.compressus hid in the axils or whorls of maize plant,or in the soil around the maize plant during the day,and came out to feed on maize leaves in the evening.The adults began to feed from the leaves near the ground of maize plants,and gradually move upward.When the leaf was fed,it started from the edge of the leaf,and the injured leaf was carved and netted.The morphologic characteristics of male and female adult of A.compressus were described,respectively.The differences between the male genitalia of A.compressus and its sibling species,A.sinicus,which could be used for identification,were compared.A.compressus is a newly recorded insect species in China.
maizenew insect pestAdoretus compressusnewly recorded species
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