The emergency rate of Cochivom via horniriivorax (Coquerel) (Diptera, Caliiphoridae) exposed to differentes pupation's substracts, in laboratory conditionsWith the purpose of studying the influence of substrate upon the development of pupae of Cochliom via hominivorax (Coquerei) , strain Universidade Rural, the foliowing substrates were used: autocleaved river sand, saw-dust and vermiculitis, dry and wet with distilled water. At the sarne time, another treatrnent comprehended pupae without substrate. Each treatment had four replications, using 20 mature iarvae per replication. The work was conducted in ciimatized chamber regulated at 270C, 65 ± 10% UR and 14-hour photophase. A remarkably higher percentile of aduits ernerged from the substrates with wet sand and vermiculitis (81.25 and 77.50%, respectively). Percent ranged of 66.00 to 55.00 inciued the pupai viability obtained for treatrnents with saw-dust, without substrate, autocleaved river sand, and vermiculitis with no water addition. The lesser nwnber of adults (32.50%) ernerged from thesubstrated with wet saw-dust, owing to microbiologicai contarnination. In this subs trate a small increase in relation to the other treatments. Emergence rythm on different treatments was presented.Recebido em 07/01/91. Parte de pesquisa financiada pela FINEP/PCTPA.
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