304 Bulletin Jard. Bot. Buitenzqrg, Série lll, Vol. IV. Livr. 2. 



No. 45. Meloséoma malabathricum L. 



A leaf-gall formed by a gall-mite. 



Described from Krakatau, a rolling of the margin of the leaf. 



Krakatau, April 24th 1919. No. 3600. 



Verlaten-island, April 22nd 1920. No. 4051. 



Literature: D. v. L. Krakatau, No. 8. figure 10. 



No. 46 Melochia umbellata Stapf. 



A leaf-gall caused by a gall-mite: Pliytoptochetiis orthiaspis Nal. 



Also known from Java. Small v/hite patches of a granular appearance 

 on the undersurface of the leaf. The erineum consists of clubshaped 

 hairlets. The gall-former has been described by Nalepa, ina paper which 

 is to be printed in the periodical Treubia, Volume 11. 



Verlaten-island, April 23th 1920. No. 4072. 



Sebesy, January 26th 1922. No. 6158. 



Literature: D. v. L. VIII. No. 630, figure 630. 



No. 47. Mikania scandens WiLLD, 



A leaf-gall caused by a gall-mite: Eriophyes mikaniae Nal. 



Tiny excrescences mostly attached to the undersurface of the leaf. 

 They are irregular conical excrescences slightly contracted at their 

 base. On the reverse there is only a small opening giving entrance to 

 the larval chamber. Common in Java. 



Krakatau, ait. 300 M. January 20th 1922. No. 6015. 



Verlaten-island, April 24th 1920. No. 4112. 



Literature: D. v. L. III. No. 127. 



No. 48. Nauclca purpurasccns KORTH. 

 A leaf-gall caused by a gall-midge. 



Described from Krakatau. Excrescences of the mid-rib and stronger 

 off-shoots covered with a corky layer. 

 Krakatau, April 25th 1919, No. 3599. 



Literature: D. v. L. Krakatau, No. 9, figure II. 



No. 49. Nauclca purpurasccns KORTH. 



A leaf-gall caused by a gall-midge. 



Described from Krakatau. Swellings of the mid-rib and the stronger 

 off-shoots of the leaf. 



Krakatau, about 500 M. April 26th 1919, No. 3663; idem ait. 300 M. 

 January 22nd 1922. No. 6067. 



Literature: D. v. L. Krakatau. No. 10. fig. 12. 



