TY  - JOUR 
T1  - Posterior spiracles of fourth instar larvae of four species of phlebotomine sand flies (Diptera: Psychodidae) under scanning electron microscopy
JO  - Memórias do Instituto Oswaldo Cruz
A1  - Pessoa, Felipe Arley Costa
A1  - Queiroz, Raul Guerra de
A1  - Ward, Richard Douglas
SN  - 0074-0276
UL  - 10.1590/S0074-02762000000500013
VL  - 95 
Y1  - 2000
PB  - Brasil 
ER  -