KVi LIST OF ILLUSTKATIONS. 



PAGE 



XXVII. — 1. Phlseotlirips coriacea. 2. Cordulegaster annulatus. 3. Raphidia 

 ophiopsis. 4. Chrjsopa vulgaris. 6. Osuijlus chrysops. a. Eggs of 

 Chrysopa 276 



XXVIII. AkATOMT of a HYMENOPTEEOUS insect. THE HORNET (VESPA 



CRABRo). 1. Hoad aud parts of the mouth, a. Lingua, cr tongue, b />. 

 Labial palpi, cc. Maxillary palpi, d d. Maxillae, ee. Mandibles. //. 

 Eyes, g g. Toruli, or beds of the base of the antenna?, hk. Ocelli, oi 

 simple eyes ; sometimes called Stemmata. i. Clypeus. k. Labrum. I. 

 Epipharynx. 2. Thorax, a. Mesothorax. b b. Tegulse. c. Scutellum. 



d. Prothorax. e. Postscutellum. /. Metathorax. 3. Abdomen, upper 

 surface. 4. Abdomen, pi'ofile. 5. Head, front view, a a. Antennae, b b. 

 Kyps. c c. Ocelli, d. Scutellum. e e. Mandibles. 6. Thorax, under sur- 



"^ace. a. Ped :f coxae of pro-legs. b. Sternum, c. Bed of coxae of inter- 

 mediate legs. d. Bed of coxae of posterior legs. e. Bed of neck. 7. 

 Anterior or pro-legs. a. Tarsus, b. Tibia, c. Femur, d. Trochanter. 



e. Coxa. 8. Middle or intermediate legs. 9. Hinder or posterior legs. 

 10. Rio'ht wings, a. Costal cell. b. Externo-medial cell. c. Interno- 

 medial cell. d. Anal cell. e. Marginal cell. ./'. First Submarginal cell. 

 g. Second Diseoidal cell. h. Second Submarginal cell. i. Third Sub- 

 marginal cell. k. Fourth Submarginal cell. I. First Diseoidal cell. m. 

 Third Diseoidal cell. n. fflrst Apical cell. o. Second Apical cell. 11. 

 Left wings separated 296 



XXIX, — 1. Hylotoma rosae. 2. Croesus septentrionalis. 3. Athalia spinarum. 

 4. Allantus scrophularia. a. Crcesus, larva, b. Athalia, larva, c. Al- 

 lantus, larva, d. Hylotoma, antenna, e. Crcesus, antenna. /. Athalia, 

 antenna, g. Allantus, antenna ........ 299 



XXX. — 1. Cimbex lutea. 2. Tenthredo zonatus. 3. Cryptus pallipes. 4. 

 Lophyrus pini. a. Cimbex, iarva. b. Lophyrus, larva, c. Jophyrus, 

 cocoon, d. Do. antenna, male. e. Do. antenna, female .... 301 



XXXI. — 1. Ichneumon proteus 2. Ichneumon crassorius. 3. Tryphon 

 rutilator. 4. Cryptus migrator. 5. Pimpla instigator, a. Tryphon, larva. 

 b. Pimpla instigator, female, rvofile of abdomen, c. Do. dried specimen. 

 d. Do. seen from beneath, e. Do. abdomen of male 321 



XXXII. — 1. Microgaster glomeratus. 2. Mymar pulchellus. 3. Teleas 

 ob.itior. 4. Cleonymus maculipennis. a. Teleas, antenna, female, b. Do 

 antenna, male. c. Microgaster, larva in caterpillar of cabbage-but'-'^rfly. 

 d. Cocoons of Microgaster alvearius 320 



XXXin. — 1. Chrysis ignita. 2. MutiUa Europaea, female. 3. Mutilla 

 Europaea, male. 4. Formica rufa, winged female. 5. Do. neuter or 

 worker. 6. Do. winged male. a. Formica rufa, labium, h. Do. antenna, 

 male. c. Do. antenna, worker 330 



XXXIV. — 1. Pompilus fuscus. 2. Astata boops. 3. Mellinus arvensis. 4. 

 Crabro quadrimaculatus. 5. Cerceris arvensis. a. Pompilus, maxiUa and 

 palpus, b. Do. labium, c. Mellinus, mandible, d. Do. labium, e. Do, 

 maxilla and palpus. /. Crabro, larva, g. Astata, head of female . . 342 



