304 



TEXT-BOOK OF ENTOMOLOGY 



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

 zard is also present in the Synaptera (Poduridae and Lepismidse), 



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

 zard (/), and stomach (.A') of Athalia. After 

 Newport. 



FIG. 305. Digestive canal of Calandra : ff, 

 pear-shaped cesophagus ; /, crop ; A', gastric coeca ; 

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

 Newport. 



as well as in the Mallophaga 

 (Nirmidse). 



In the larvae of weevils (Cal- 

 andra sommeri) there is a crop 



,. . FIG. 307. T T pper side of head and digestive 



(Fig. o();>), but not in the larva canal of Myrmeleon larva: rt, crop; 6, ^stona- 



r r^ '\ i v ach " ; <, free ends of two urinary tubes; <', 



01 L/alOSOma; also, according to common origin of other six tubes ; d, ccecum ; 



T , i ,1 11 , e, spinneret; ft', muscles for protruding its 



Beauregard, in the pollen-eating sheath ; 0^ marillaiy glands. After Meinert, 



beetles Zonitis, Sitaris, and Mala- fro '" shari> ' 



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

 The crop forms a lateral dilatation of the end of the (esophagus in 

 the larvae of weevils and of sawflies (Athalia centifolics, Fig. 30C). 



