Smithsonian miscellaneous collections . Fig. -Examples of hymenopterous and dipterous parasitic larvae with aplanidial first instar. A, Pcrilampus chrysopae Crawford, planidium (from Smith, 1912). B, Peri-lam pus hyalirms Say, planidium (from Smith, 1912). C, Schizaspidia tenuicomisAshm., planidium (from Clausen, 1923). D, same, second instar (from Clausen,1923). E, same, third instar (from Clausen, 1923). F, Hyperolonia oenomausRond., third instar (from Clausen, 1928). G, same, first instar (from Clausen,1928). H, Pterodontia flavipes Say, first instar (from King, 1916). I, Oncodespallipes La
Smithsonian miscellaneous collections . Fig. -Examples of hymenopterous and dipterous parasitic larvae with aplanidial first instar. A, Pcrilampus chrysopae Crawford, planidium (from Smith, 1912). B, Peri-lam pus hyalirms Say, planidium (from Smith, 1912). C, Schizaspidia tenuicomisAshm., planidium (from Clausen, 1923). D, same, second instar (from Clausen,1923). E, same, third instar (from Clausen, 1923). F, Hyperolonia oenomausRond., third instar (from Clausen, 1928). G, same, first instar (from Clausen,1928). H, Pterodontia flavipes Say, first instar (from King, 1916). I, Oncodespallipes Latr., first instar (from Millot, 1938). J, same, third instar (from Millot,1938). 74 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 122 planidium feeds as an external parasite on the pupa. Often, however,the parasite attaches itself to the stalk of a Chrysopa egg, in whichcase the young chrysopid falls a sure victim to the Perilampus pla-nidium in wait for it. Another species of Perilampus described by H. S. Smith (1912)is a secondary paras
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience
