304 



TEXT-BOOK OF ENTOMOLOGY 



adult Coleoptera. A crop-like dilatation in front of a spherical giz- 

 zard is also present in the Synaptera (Poduridse and Lepismidae), 



H 



FIG. 306. Section of the crop (//), piz- 

 zard (/), and stomach (J) of Athalia. After 

 Newport. 



FIG. 805. Digestive canal of Calandra : //, 

 pear-shaped (esophagus ; /, crop ; K, gastric coeca ; 

 L, ilium ; MN, colon ; P, urinary tubes. After 

 Newport. 



as well as in the Mallophaga 

 (Nirmidae). 



In the larvae of weevils (Cal- 

 n in Ira sommeri) there is a crop 



/I?' OAtt\ u L - j.v i Fit;. 3o7. - T'ppt-r side of head and digfstivo 



(,-Tlg. dUO), DUt not in tne larva canal of Myrnu-leon larva: ,i. crop; fi. -.-10111- 



.. r\ i__ i T ach " : c. free cucls of two urinarv tubes : c'. 



01 LalOSOnia; alSO, according tO common origin of other six tubes ; <t. raruiii : 



Beauregard, in the pollen-eating a*^^5tt^5SMBLS 

 beetles Zonitis, Sitaris, and Mala- 



bris it is wanting, while in Meloe it is highly developed (Kolbe). 

 The crop forms a lateral dilatation of the end of the oesophagus in 

 the larvae of weevils and of sawflies (Athalia <-<'nfif<>fi<i\ Fig. 306). 



