296 



INSECTS AT HOME. 



A^•ATOJIY OP A HYMENOPTEROUS INSECT.— THE HORNET (VESPA CRABRO). 



1. Plead and parts of the month. a. Lingua, or tongue. 6 6. Labial palpi. o c. Maxillary 

 palpi. Ud. UaxiUss. ?<>. Mandibles. //.Eyes. g-;/. Toruli, or beds of the base of the 

 antcnnre. h h. Ocelli, or simple eyes ; sometimes called Stemmata. i. Clypeus. k. La- 

 brum. I. Epipharynx. 2. Thorax. a. Mesothorax. 6 6. Tegiilic. c. Scntellum. 

 (/. Trothorax. e. Postscutellum. /. Metathorax. 3. Abdomen, upper surface. 4. Ab- 

 domen, profile. 5. Head, front view. aa. Antennse. 6 6. E3es. cc. Ocelli. d. Scn- 

 tellum. ef. Mandibles. 6. Thorax, under surface. a. Bed of coxaj of pro-legs. 6. Sternum. 

 c. Bed of coxse of intermediate legs. d. Bed of coxre of posterior legs. c. Bed of neck. 

 7. Anterior, or pro-legs. a. Tarsus. 6. Tibia. c. Femur. d. Trochanter. ?. Coxa. 

 S. Middle, or intennediate legs. 9. Hinder, or posterior legs. 10. Riglit wings. a. Costal 

 cell. 6. Externo-medial cell. c. Interno-medial cell. d. Anal cell. e. JIarginal cell. 

 /. First Snbmarginal cell. g. Second Discoidal cell. h. Second Submarginal cell. /. Third 

 Snliraarginal cell. k. Fourth Submarginal cell. I. First Discoidal cell. ;)/. Third Dis- 

 ccidal cell. n. First Apical cell. o. Second Apical cell. 11. Left wings separated. 



