120 Indian Museum Notes. [Vol. IV. 



of a "nipple-like prominence " (Comstock), covered with white wax 

 in fresh specimens, but red-brown or golden red-brown in denuded 

 specimens ; nipple surrounded by a circular depression ; following 

 this is a strong circular ridge, which, in many specimens, is covered 

 with the same white material as the nipple; these are situated on ^ 

 distinct circular prominence, or boss, with nearly perpendicular 

 sides ; below this the scale becomes very flat and wide, and is of a 

 rich orange-brown, varying to ochreous-brown. 



Diameter i — i^ mm. 



Scale of the $ of the same colour, and has the same structure 

 at apex as the ? . 



Found on leaves of Areca triandra from Demerara. 



Undetermined Pests, 



(3) Moths. — Hyposidra sp. — In November i8g6 Mr. W, J. Fleed 

 forwarded to the Indian Museum a single specimen of a Geometrid 

 moth said to be attacking tea bushes both in the Borghat and in 

 the new Salonah gardens in Assam. 



The moth appeared to be new to the Museum collection, 

 but it was identified as belonging to the genus Hyposidra, Further 

 specimens of the moth are required to enable the insect to be 

 specifically determined. Mr. Fleet, who reared the moth from 

 caterpillars, collected by him from the tea gardens, has furnished the 

 following notes :— 



" 75^^ yM«e /Spd.— Caterpillars feeding on leaves of tea plants in Borghat 

 and New Salonah Gardens, Geometrid : dark or chocolate brown, with seven 

 white dotted transverse lines, one being at head, another at caudal extremity. 



Three placed in breeding cage. 



igth June. — Two added ; one pale brown, length Y*g inch, increasing. 



24ih June. — Two of the caterpillars have parasitic grubs coming out ; some 

 have formed cocoons. 



26th June.— One of the caterpillars died, some ten grubs spinning themselves 

 cocoons. Cocoons in clusters on under-side of leaf ; white and woolly, length 

 about -^ij inch. 



27th 5^ M«e. -.Second caterpillar host died ; cocoons complete; removed to 

 box. 



2gth June.— Third caterpillar died. Flies • in box, came out. 



ist 7MZy.— Fourth caterpillar died. Fifth caterpillar changed into chrysalis 

 in soil, and the moth emerged 13th idem. 



• Examples of the parasitic fly have been sent to the Museum by Mr. Fleet. It is a minute 

 llymcnopteious insect of the fa aily Chalcididae, and new to the Museum collection. 



