MORPHOLOGICAL ADAPTATION IN INSECTS — GRANDI 225 



Plate 2 



I, Capnodis tencbrionis L., larva, dorsal view. 2, idem, head, dorsal view. 

 Gnathites are not drawn. {A, antennae; C, anteclypeus; CA, articular cavities 

 for the mandibles ; CM, dorsal condyle for the articulation of the mandibles ; 

 L, labrum; P, peristoma.) 3, 4, Trachys pygmaca F., larva, dorsal and ventral 

 views. 5, idem, head, dorsal view. Gnathites are not drawn. {A, antennae; C, 

 anteclypeus ; E, epistomal apodeme ; L, labrum ; O, ocelli ; SD, diverging sutures ; 

 SE, epistomal suture.) 6, Aphthona cyparissae Koch, larva, head, dorsal view. 

 Gnathites are not drawn. 7, Phyllotreia nemoruin L., larva, head, thorax, and 

 1st urite, three-quarter view (S, tracheal spiracles). 8, idem, head (A, antennae; 

 M, mandibles ; R, diverging sutures ; Z, dorsolateral membranous regions of the 

 head capsule). 9, idem, anterior portion of the head capsule (G, postclypeus ; H, 

 anteclypeus). 



Plate 3 



I, 2, Dibolia fcmoralis Redbt., larva, head, dorsal and ventral views. Gna- 

 thites are not drawn. (7", fore arms of the tentorium broken on purpose.) 3, 

 Sphaeroderma rithidiim Graells., larva, lateral view. 4, 5, idem, head, dorsal 

 and ventral views. In the latter the mandibles are broken on purpose. 



Plate 4 



I, Hispella atra L., full-grown larva, dorsal view. 2, idem, head, dorsal 

 view, 3, idem, newborn larva. 4, Hispa testacea L., full-grown larva, dorsal 

 view. 5, head, dorsal view. Gnathites are not drawn. 6, idem, maxillolabial 

 complex. 7, idem, portions of the metathorax and ist urite, ventral view. 8, idem, 

 median portion of the 3d urotergum. 



Plate 5 



I, Dibolia femoralis Redbt., larva, maxillolabial complex (P, labial palpi). 



2, Sphaeroderma rubidum Graells., larva, portion of the maxillolabial complex. 



3, 4, Zeugophora subspinosa F., larva, head, dorsal and ventral views. Mandi- 

 bles are not drawn. (C, maxillary cardines; D, concavity for the ventral articu- 

 lation of the mandibles ; L, labium ; P, maxillary palpi ; Q, maxillary lobarium ; 

 R, labial palpi ; S, maxillary stipites ; T, tentorial pons ; V , fore arms of the ten- 

 torium broken on purpose ; X, hypostomal laminae ; Y, diverging sutures ; Z, 

 frontal apodema.) 5, idem, palate. 6, idem, mandible. 7, idem, distal portion of 

 the labium with the labial palpi. 



Plate 6 



I, 2, Clonus scrophitlariae L., larva, head, dorsal and ventral views. Gnathites 

 are not drawn. {A, antennae; C, clypeus ; D, concavity for the ventral articu- 

 lation of the mandibles ; E, epistomal apodeme ; L, labrum ; M, metopic suture ; 

 O, ocelli ; P, palate ; T, tentorial pons ; X, hypostomal laminae ; Y, diverging 

 sutures; Z, frontal apodeme.) 3, 4, C. olens F., larva, head, dorsal and ventral 

 views. Gnathites are not drawn. (The same lettering.) 5, 6, Rhynchaenus alni 

 L., larva, head, dorsal and ventral views. Gnathites are not drawn. {A, an- 

 tennae; B, hypostomal laminae; O, ocelli; R, diverging sutures.) 7, idem, 



