AijhidiJac of Formusa. — 3. 37 



long bristles. 



Tibiae stouter than tlie ord anteniial joint; front and middle tibiae provided 

 with some rather sliort setae; distal portions of hind tibiae with some very long 

 bristles; tarsi very slightly imbricated; Iiiud tarsi longer than the base of the last 

 antennal joint. 



Lengtli of body-about 0.75 mm. 



(The second instar). Colour almost as in the first instar. Heail provided 

 with a few minute hairs. Frontal tubercles quite short or almost absent. Eyes 

 with small ocular tubercles. 



Antennae somewhat shorter than the body, almost without hairs, 5 jointed; 

 the 1st joint much larger than the 2nd; the 3rd very slightly imbricated on the distal 

 portion; the 4tii almost as long as, or slightly shorter than, the basal 2 joints taken 

 togetlier, with the sensorium small; the relative length of joints as follows: III--i6, 

 IV-25, V-86 (16 + 70). Rostrum reaching beyond the middle coxae. Body without 

 tubercles. 



Abdomen almost without hairs. Cornicles more than thrice as long as wide, 

 somewhat narrowed toward the apex and base, not expanded at the base, almost as 

 stout as the hind tibia, longer tiian the 4th antennal joint, more tlian twice as long as 

 tlie Cauda, longer tlmn the iiind tarsi, not imbricated nor reticulated. Cauda broadest 

 at the base, tapering, wider than long, provided with 2 pairs of long bristles. Front 

 and middle tibiae provided with some moderately long to rather short setae; hind 

 tibiae furnished with some very long bristles; tarsi somewhat imbricated; hind tarsi 

 longer than the cauda, almost as long as the 4th antennal joint. 

 Length of body-about 1.0 mm. Antcnua-about 0.8 mm. 



The second instar differs from the first in the following characters: 



Antennae 5-jointed. Cornicles longcjr. Cauda longer. 



(The third instar) Colour almost as in the second instar. Wing-pads [)ale 

 green. Head provided with a few minute hairs. Frontal tubercles very sliort. 

 Eyes with distinct ocular tubercles. Antennae somewhat shorter tlian tlie body, 

 6 -jointed, provided with a few minute haii's which are slightly knobbed; the 1st joint 

 much larger than the 2nd; the 3rd scarcely imbricated; the 4th somewhat imbricated, 

 almost as long as the basal two joints taken together; the 5th witli an apical senso- 

 rium of rather small size; the relative length of joints as follows: III-45, IV-37, 

 V-40, VI-120 (20+100). Rostrum reaching the middle coxae. Body witliout 

 tubercles, ^yiug-pads beginning to appear. Abdomen either without hairs or furni- 



