INTRODUCTION. 
T he Chalcidoidea dealt with by Dr. James Waterston of the Imperial 
Bureau of Entomology, London, in this Record comprise species 
that are associated with insect pests of several important Indian timber 
trees, together with 5 species of which the hosts are not yet known. 
The material on which Dr. Waterston is now engaged includes para- 
sites or hyperparasites of the chir pine scale- insects, the lac insect, the 
beehole borer and various wood-boring larvae. 
Host -relationship. 
e host-relationship of the species described is as follows : — 
Lepidoptera. 
Host. Uy'psi'piilarobusta'Mooie.,i\iQ'Yoon Shoot and Fruit Borer. 
Chalcis tachardice ; C. hearseyi var xanthoterus ; Antroce- 
phalus destructor ; A. renalis ; Tetrastichus spirabilis. 
Host. A Lymantriid moth. 
Ohalcis margimta. 
COLEOPTERA. 
Host. Chrysobothris (in company with Glenea, Derolus discicollis Gah. 
and Diorthus simplex White) wood-borers of Heritiera Pomes. 
Trigonura ruficaudis. 
Host. Chrysobothris (in company witL Glenea, and Ozotomerus maculosus 
Perr.) wood-borers of Heritiera Pomes. 
Trigonura tenuicaudis. 
Host. Platypus uncinatus Blandf., a shot-hole borer of Heritiera Pomes, 
Shorea robusta, Voter ia indica, Terminalia tomentosa, etc. 
Monacon abruptum. 
Host. Diapus furtivus Samps., a shot-hole borer of /Shorea robusta, etc. 
Monacon productum. 
Host. Ips longijolia Stebb., the large pine bark-beetle of Pinus longi- 
JoUa and Pinus excelsa. 
Roptrocerus sulcatus. 
Host. 1 Caryoborus gonagra Fab., the seed-weevil of various leguminous 
trees. 
Oedaule stringijrons. 
