l82 



Records of the Indian Museum. 



[Vol. XIII, 



Rostrum, siphunculi, etc., as in the apterous female. 



Wings with normal Lac/^wws- venation ; media i twice forked. 

 Hooking-hairs 6 in number. (Described from a number of wingless 

 and winged females). 



Food-plant unknown. 



Locality. — Birch Hill (Darjiling District), 6,000 — 7,000 feet, 

 6-vii-i9i4 {Carniichael coll.). 



Types in the collection of the Indian Museum, Calcutta; No. 

 5601/H. I. 



The species described above is distinct from all other species 

 of Lachnus known to me by the numerous sensoriae on the third 

 antennal joint in the winged female. 



Fig. 6. — Lachnus simi/is, sp. nov. 



a. Antenna of alate female. ( x 45). 



b. Fore and hindwing of alate female. ( x 15). 



Lachnus sitnilis, sp. nov. 

 Alate viviparous female. 



Colour. — Head and thorax black ; abdomen dirty grayish with 

 four longitudinal rows of dark brown spots. Eyes red. Antennae 

 brownish-yellow, the tips of all joints blackish. Legs light yellow- 

 ish ; tarsus, tip of tibia and the femur except the base brownish- 

 black. Siphunculi black. Cauda darkish. Pterostigma of fore- 

 wings dark brown. (Notes from specimen in alcohol). 



