211 Sti 



Stercoraceous. — Inhabiting dung. (L. stercoris, 

 dung.) 



Sternse. — Ventral plates ; ventral equivalents of 

 the tergae. (From L. sternum, the breast bone.) 



Sternellum. — The third section of the lower surface 

 of segments of insects. (From L. sternum.) 



Sternites. — Another term for the sternse. (Packard.) 

 (From L. sternum.) 



Sterno-rhabdites. — The elements or tubercles seen 

 in Hymenopterous larvae, which are destined 

 to form the ovipositor. (Lacaze-Duthiers.) 

 (From L. sternum, and Gr. rhahdos, a rod.) 



Sternum. — The inferior or ventral surface of a 

 segment. (L. the breast bone.) 



Sternum collare. — The collar-bone, a prominent 

 narrow portion in the underside of the jugulum, 

 Cartilago ensiformis. (L. sternum, and collare, 

 collar.) 



Sternum pectorale. — The breast-bone, a prominent 

 carina situated on the breast. (Knoch.) (L. 

 sternum, and pectus pectoris, the breast.) 



Stethidium. — The term used by Illiger, Bouche, 

 and others for the thorax. (Derived from Gr. 

 stethos, the breast.) 



Stigma. — -A darkened spot upon the anterior margin 

 of the upper wings, being an incrassated portion 

 of the costal nerve. The term is sometimes used 

 for spiracle. (L.) 



