The Phasmatid Didymuria Violescens have been increasing and causing defoliation in south eastern Australia.The author R.L.Newman is the 'Works Forestry Officer - Kiewa Territory reported for the SECV'Fears have been held for the survival of stands of certain eucalypt species the destruction of which might have affected the stability of the Kiewa catchment. Spraying was carried out by the SECV in 1961 and 1963. This was found to be successful indicating that there will be no need for further spraying in the treated areas at least for some years.'Yellow book with 74 pages. Cover has the SECV emblem at the top centre. Print with black and white pictures / illustrations.In Pen - J. Watson on the cover.phasmatid insect plague, r.l.newman, forestry officer kiewa territory