Wijerathna, M.A.P <br/><br/>
A check list of aphids and their host plants from Sri lanka 

 -  National science foundation  1999 
 - 21p.,  28 cm 
 - M A B Check list and hand book series No. 21 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insect <br/>Natural history
<br/><br/><label>Universal Decimal Class. No.: </label>581  / WIJ