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Na /onal Nuse™™ 
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THE INSECT WORL 
A MONTHLY MAGAZINE DEVOTED TO 
THE USEFUL APPLICATION AND SCIEN 
TIFIC STUDY OF ENTOMOLOGY, EDITED 
YASUSHI 
NAWA 
DIRECTOR OF 
‘NAWA ENTOMOLOGICAL LABORATORY 

GIFU JAPAN. 
Betelmis japonicus Mats. 
151u, 1916. [No. 
デ 
MAY 
Vol. XX] 




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