Abstract
Summary The yolk proteins of six pyralid moths were analyzed and compared with the yolk proteins of Plodia interpunctella (Hubner). When cross-reacted in an Ouchterlony double immunodiffusion with antiserum raised to either total yolk proteins or purified vitellin from P. tnterpunctella, the yolk proteins of Anagasta kuehniella (Zeller), Cadra cautella (Walker), C. figulilella (Gregson), and Ephestia elutella (Hubner), closely related members of the subfamily Phycitinae, showed strong precipitation lines that consisted of four major yolk polypeptides (YPs). The yolk proteins from Amyelois transitella (Walker) were only weakly reactive, whereas yolk proteins from Galleria mel-lonella (L.) were not precipitated by either antiserum. Abdominal body walls (containing primarily fat body) from late pharate adult females were incubated in vitro and they secreted two major polypeptides that had molecular masses similar to the vitellogenins (YP1 and YP3) from P. interpunctella. In addition, ovarioles from late phar...
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