Siraiwa, H. 1935 Studies on mealybugs infesting pear in Japan.. Kontyu 9: 63-75.
Notes: English summary; describes and figures Pseudococcus comstocki, P. kraunhiae, and P. matsumotoi, P. piricola, both new species.
Siraiwa, H. 1935 Studies on mealybugs infesting pear in Japan.. Kontyu 9: 63-75.
Notes: English summary; describes and figures Pseudococcus comstocki, P. kraunhiae, and P. matsumotoi, P. piricola, both new species.