TY  - JOUR 
T1  - Aggregations of Amazonian owflies (Neuroptera: Ascalaphidae:   <i>Cordulecerus</i>)
JO  - Acta Amazonica
A1  - Hogue, Charles L.
A1  - Penny, Norman D.
SN  - 0044-5967
UL  - 10.1590/1809-43921988182362
VL  - 18 
Y1  - 1988
PB  - Brasil 
ER  -