MORPHOLOGY OF THE OVIPOSITOR 



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FIG. 187. 1, abdomen of Cynips, showing 1 the great dorsal segment, the peduncle, and the 

 position of the ovipositor within; 2, the entire ovipositor; a, lateral scale; a', its valve; b, anal 

 scale ; &', stylet ; c, support of the stylet ; e, base or support of sting (fi) ; 3, profile showing the 

 relation of the genital armature to the rest of the abdomen, the 6th sternite having been drawn to 

 show its full size ; 4, anal scale (&) and stylet ; e, i, supports and body of the stylet ; c, piece 

 uniting the two scales ; 5, lateral scale (a), and a' sheath ; d, support of the sting (/) ;" 6, transverse 

 section of the body through the sting (diagrammatic) ; R, internal armature ; o, oviduct ; a, lateral 

 scale; a', its valve; e, support of the stylets (i) b, anal scale ; c, piece uniting two scales; /, 

 sting ; d, its support ; 7, a second section simpler and more theoretical than the first. ; 6, diag'-am- 

 niatic, all the elements of the sting have been reduced to pieces of the same form. After Lacaze- 

 Duthiers. 



