1922.] Diploptera in the Indian Museum. 245 
dark, and posterior reddish with a dark marking on inner 
angle. Mesonotum closely and coarsely punctured ; a distinct 
median groove anteriorly ; a short slightly curved groove close 
to each tegula. Scutellum roughly rectangular, broader than 
long, punctate and immaculate. Post-scutellum less closely 
ly grooved and obliquely striate ; a pale yellow, pubescent, cir- 
cular spot on each side posteriorly close to median excavation : 
pale silvery pubescence posteriorly and on sides. 
Abdomen dark-brown; petiole with a broad shelf-like 
Apex of coxa of first pair of legs yellowish below; tro- 
chanters and femora dark; tibiae and tarsi brown; covered 
with pale silvery pubescence all over. Coxae of second and 
third pairs with an oval yellow marking on sides ; femora dark 
. with ochraceous patches above ; trochanters dark ; tibiae and 
tarsi dark-brown above and lighter below, and closely pubes- 
cent. 
Wings hyaline, iridescent ; costal margin, stigma, and a 
small circular spot near apex fuscous. 
Length : 9 mm. ; expanse: 17 mm. 
Habitat: Kavalai, Cochin State, 1,000-3,000 ft. (F. H. 
Gravely). 
Type in the collection of the Zoological Survey of India, 
Indian Museum, Calcutta. 
Dr. Gravely also obtained two nests together with laryae 
in various stages of development, and pupae. The nests are 
small and of a dark-brown colour ; one is roughly circular, the 
other elongate ; the stalk is short and attached excentrically. 
Each cell is hexagonal and the larva lies in it head uppermost. 
The smallest larva is about 3x2 millimeters the largest 
8x3 millimeters. They are of a dirty cream colour ; hea 
brown, more or less pentagonal, obliquely finely striate 
with a pale longitudinal median line extending from the ver- 
tex to the anterior margin of the clypeus. Clypeus approxi- 
mately as broad as long, finely transversely striate. 
stout, more or less cylindrical in general appearance, but 
square in section, slightly flattened below, gradually tapering 
towards anus ; the first three segments in the form of deep folds, 
narrower than the rest; a median groove on dorsal surface. 
First visible segment below broad, more chitinised than the 
rest, with minute, black spinules. No legs : 
The pupae are about 9 mm. long, and enclosed in the pupal 
skin. General colour yellowish or cream. Head yellowish 
