88 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 1 37 



may be called the opercular surface (Op) on account of its opening 

 in an operculum-like fashion (as shown in fig. i8 D) when the hop- 

 pers hatch. We will, then, call the side of the egg pod opposite the 

 frontal or opercular surface dorsal, and its side walls lateral. 



The lateral walls of the egg pod are transversally convex, and they 



,-'-'Q 



y I ; I / I I , i ' > , > //I f/\ 



Fig. 18. — The ^gg pod of Marellia rcmipcs. 



A, lateral view. B, frontal or opercular view. C, posterior view. D, egg pod 

 opened by the hatching of the hoppers, frontal or opercular view. E, horizontal 

 section of egg pod. F, vertical section of egg pod, across the eggs. (After Car- 

 bonell, 1957.) 



Eg, eggs; g, upper or basal surface of the egg pod, which adheres to the 

 inferior surface of the leaves ; h, apical or inferior lobe of the egg pod ; i, median 

 frontal process of the tgg pod; /, /, lateral frontal process of the egg pod; 

 k, cast skins of the intermediate moult left by hoppers after hatching ; Lj, floating 

 leaf of host plant; Op, opercular surface. 



