TY  - JOUR 
T1  - Morphology of male reproductive system in three species of Trypoxylon (Trypargilum) Richards (Hymenoptera: Crabronidae)
JO  - Neotropical Entomology
A1  - Moreira, Polyana A.
A1  - Araújo, Vinícius A.
A1  - Zama, Uyrá
A1  - Lino-Neto, José
SN  - 1519-566X
UL  - 10.1590/S1519-566X2008000400012
VL  - 37 
Y1  - 2008
PB  - Brasil 
ER  -