Shot-hole borer
Speyer, E.R.
Shot-hole borer Treatment of prunings on infected estates - Colombo 1919 - 1-16 p. - Treatment Ceylon Department of Agriculture. Bulletin No. 43 .
Shot-hole borer Treatment of prunings on infected estates - Colombo 1919 - 1-16 p. - Treatment Ceylon Department of Agriculture. Bulletin No. 43 .