A Sterolecanium Variolosum Ratzeberg And Matsucoccus Gallicolus Morrison, Two Gall-Forming Coccids And Their Effect Upon The Plant Tissues /

by Parr, Thaddeus Julius, 1905-

Asterolecanium variolosum Ratzeburg and Matsucoccus gallicolus Morrison, two gall-forming Coccids and their effect upon the plant tissues

by Parr, Thaddeus Julius, 1905-
Published 1939

Asterolecanium variolosum Ratzeburg, a gall-forming coccid, and its effect upon the host trees,

by Parr, Thaddeus Julius, 1905-
Published 1940

Woods of Mexico, Central and South America and the West Indies, which are reported to be or may be resistant to termite and marine borer attack /

by Parr, Thaddeus Julius, 1905-
Published 1943

The effects of the "pit-making oak scale" Asterolecanium Variolosum Ratz. upon Chestnut Oak : a preliminary study /

by Parr, Thaddeus Julius, 1905-
Published 1932