TY - JOUR T1 - Nesting behaviour and larval biology of Sphex opacus Dahlbom (Hymenoptera, Sphecidae) from Brazil JO - Revista Brasileira de Zoologia A1 - Buys, Sandor C. SN - 0101-8175 UL - 10.1590/S0101-81752005000300030 VL - 22 Y1 - 2005 PB - scielo ER -