94 PERCY SLADEN TRUST EXPEDITION 



anal plates short and broad, flat and overlapping, minutely serrated at their borders, with 

 a dark spot on the middle of the posterior borders and a marked central rib ; a single long 

 black lateral cheeta on each of the first three segments, a pair of ventral ones on each side 

 of the fourth and fifth, a single one on the remainder, on the fourth two long chisetse on the 

 posterior border on each side, one on each side of the fifth and a very short one on each side 

 of the sixth ; a tuft of short chsetae on the dorsum of the first. 



This larva and pupa taken in Nepenthes pitchers where Pseudoficalhia nepenthes was 

 caught may belong to that species, Mr Scott informs me. It is a marked type of larva. 



EXPLANATION OF PLATE 4. 



1. Reedomyia seychellensis, iiov. sp., % ; head. 



2. Reedomyia seychellensis, wow. s^., %\ scutellum. 



3. Culex scottii, nov. sp., ^ ; thoracic adornment. 



4. Pseudoficalhia pandani, uov. ap., J' ; genitalia. 



5. Pseudoficalhia nepenthes, nov. sp., larva; a, larval siphon and terminal segment; (hairs cut off); 



h, the same (reduced) showing normal hairs. 



6. Pseudoficalhia nepenthes, nov. sp., larva; a, head; h, labial plate; c, antenna; d, frontal prominence; 



e, mandible. 



