296 



INSECTS AT H031E. 



#. 



ANATOMY OF A HYMENOPTEROUS INSECT.— THE HORNET (VESPA CRABRO). 



1 . Head and parts of the mouth. o. Lingua, or tongue. 6 6. Labial palpi. cc. Maxillary 

 palpi. f/(/. Maxillffi. cc Mandibles. //. Ej'es. jrfir. Toruli, or beds of the base of the 

 antennne. h h. Ocelli, or simple eyes; sometimes called Stemmata. j. Clypeus. k. La- 

 bruni. /. iOpiiiharynx. 2. Thorax. n. Mesothorax. 6 6. Tegulae. <•. ScutclUim. 

 d. I'rothorax. e. Postscutelluni. /. Metathorax. 3. Abdomen, upper surface. 4. Ab- 

 domen, profile. .5. Head, front view. an. AntcnnDC. 6 6. Eyes. cc Ocelli. d. Scu- 

 tellum. ee. Mandililes. (!. Thorax, under surface. n. Bed of coxa' of pro-legs. 6. Sternum, 

 c. Bed of coxa; of intermediate legs. </. Bed of cox.tb of po.sterior legs. e. Bed of neck. 



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



8. Middle, or intei-mediate legs. 9. Hinder, or posterior legs. 10. Right wings. a. Costal 

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

 /. First Puhniarginal ceil, (j. Second Disroidal cell. h. Second Submarginal cell. i. Third 

 Sulmargiiial cell. k. Fourth Submarginal cell. J. First iJiscoidal cell. m. Third Dis- 

 coidal cell. ;i. First Apical cell. o. Second Apical cell. 1 1 . Left wings separated. 



