480 ENTOMOLOGICAL SOCIETY 



green. Head transparent, mouth brown ; flattened, pointed, the 

 clypeus band-shaped and reaching vertex, but narrowed a little 

 above ; ocelli present, blackish. No feet. Setae present only 

 laterally. 



Leucoptera guettardella Busck. Mr. Busck has described 

 the mine, on the under side of the leaves of Guettarda elliptica. 

 The larva is flat, the head retracted, the mouth brownish ; cly 

 peus band-shaped, pointed above, divided from the broadly tri 

 angular vertex. Segments widened, flat, joint 2 wide, 3 less so, 

 4 small, 5 to 9 a little larger, 10 to 13 tapering. Colorless, food 

 green, edges of segments darker. Thoracic feet small ; abdomi 

 nal ones on joints 7 to 10 and 13 small, without hooks. Tuber 

 cles absent, setae obsolete. The larva turned dark vinous and 

 left the mine to spin its cocoon. 



Leucoptera n. sp. A single specimen at light. 



Podiasa chiococella Busck. The larva forms in the leaves of 

 Chiococca racemosa a long linear mine, only slightly widening, 

 suddenly expanding to a large blotch that may cover part of the 

 old mine. The larva is long, slender, and flattened with strongly 

 moniliform segments. Head round, flat, about half as wide as 

 joint 2 ; joint 2 transversely elliptical, projecting at the sides ; 3 and 

 4 small ; 5 to 10 larger and about equal, n to 13 tapering. On 

 joint 2 a quadrate shield, excised at the sides, the posterior angles 

 produced laterally like curved horns. A dorsal and a ventral 

 round black patch on joints 3 to 13, those of joints 3 and 4 small, 

 the rest corresponding with the size of the segment. No thoracic 

 feet; abdominal feet on joints 7 to 10 short and stumpy, without 

 hooks. 



Before leaving the mine the larva is markedly transformed. 

 (See Busck, Proc. U. S. Natl. Mus., XXIII, 241.) All dark 

 vinous, shining except a large white spot on tubercle iii, the 

 row of spots obscurely connected into a band by a shade that is 

 distinct posteriorly. Head round, slaty black, clypeus reaching 

 vertex, triangular, not much flattened ; cervical shield broadly 

 white. The lateral white spots on joints 3 and 4 contain tuber 

 cles iii, iv, and v, with iia and iib, which are approximate. On 

 the abdomen tubercle i is dorsad to ii, iv, and v in line, rather 

 remote and on the posterior part of the segment ; vi distinct sub- 

 ventrally ; vii on the leg. Setae black, distinct. Thoracic feet 

 short, pale. Abdominal ones on joints 7 to 10 and 13, but the 

 anterior pair short, not functional in walking, so that the larva 

 is a semilooper. It walks about freely seeking a place to spin its 

 cocoon. 



Coptodisca condalice Busck. This larva mines the leaves of 

 the " break-axe " ( Cortdalia ferrea], as described by Busck. It 

 has the head small, flat, higher than wide, the epicraneal lobes 

 rather full, touching centrally as if dividing the clypeus into "a 



