GENERAL CLASSIFICATION 145 



Order 7. — Orthoptebotjs Insects. 

 Mandibles, maxillae and galeae covering the maxillae. 



Two straight wings, folded longitudinally, and covered by two almost membranous 

 elytra. 



Larva like the perfect insect, but with no wings or elytra ; pupa active. 

 Grasshopper. Locust. 



Acheta. Truxalis. 



Mantis (praying-insect). Cricket. 



Phasma (stick- and leaf-insects). Cockroach. 

 Spectrum. Earwig. 



Order 8. — Coleopterous Insects. 



Mandibles and maxillae. 



Two membranous wings, folded longitudinally when at rest, under two hard or 

 coriaceous but shorter elytra. Larva hexapod, ivith a scaly head and no eyes ; 

 pupa inactive. 



(1) Two or three segments in all the tarsi. 

 Pselaphus. Lady-bird. 



— Eumorphus. 



(2) Four segments in all the tarsi. 



Erotylus. Prionus. 



Cassida. Spondilus. 



Chrysomela. — 



Galeruca. Bostrichus. 



Crioceris. Mycetophagus. 



Clythra. Trogossita. 



Cryptocephalus. Cucujus. 



Leptura. Bruchus (pea-beetle). 



Stencorus. Attelabus. 



Saperda. Brentus. 



Necydalis. Curculio. 



Callidium. Brachycerus [Diptera. H.E.]. 



Cerambix. 



(3) Five segments in the tarsi in the first pairs of legs, and 



four in those of the third pair. 



Opatrum. Mordella. 



Tenebrio (meal-worm beetle). Rhipiphorus. 



Blaps. Pyrochroa (cardinal-beetle). 



Pimelia. Cossiphus. 



Sepidium. Notoxus. 



Scaurus. Lagria. 



Erodius. Cerocoma. 



Chiroscelis. Apalus. 



— Horia. 

 Helops. Mylabris. 

 Diaperis. Cantharis. 



Cistela. 



Meloe (oil-beetle). 



