a survey of beetles damaging commercially impotrtant ... - Icrisat.ac.in

28. Hopea glabra Wight & Arn.(H. wightians Var. glabra Bedd.)Large borersD i p teroca rpaceaeNilSmall borersMinthea rugicollis Wlk. (Lyctidae)Sawn timber was found to be heavily damaged by Minthea rugicollis(Lyctidae). In round logs the attack was confined mostly to the sapwoodportion. This insect is a serious problem for this timber species under storage.Mathur & Singh (1960-b) lists 6 species of beetles attacking thistimber.Large borersNil29. Hopea parviflora Bedd,D ipteroca rpaceae.Small borersXylothrips flavipes Ill. ( B o st ryc h i d a e )Phaenomerus sundevalli Boh. (Curcul ion idae)The sapwood of this timber was found to be damaged by Xylothripsflavipes, although the damage was localised and of minor nature.wood is also attacked by the curcuIionid, Phoenomerus sundevalli.The sap-The timber isused mostly for beams in buildings and shafts in bullock carts and ispractically free from major insect damage.Mathur & Singh (1 960-b) records 13 species of borers attacking thislimber including X. flavipes recorded here.30. Knema attenuata (Hook. f. & Thorns.) Warb.(Myristica attenuata Wall. ex. Hook. f. & Thoms.)Myr isticaceaeLarge borersNilSmaIl borersPlatypus latifinis Wlk. ( PI a ty pod i dae )Phloeosinus tuberculatus Br. (Scol ytidae)