ARTHROPODA 



227 



The more common or popular names of some of the repre- 

 sentatives of these nineteen orders may be tabulated thus : — 



Order 



I. Thysanura. Springtails, bristletails, fish moths. 



II. Ephemerida. 1 May flies. 



III. Odonata.- Dragon flies. 



IV. Plecoptera. 3 Stone (lies. 



V. Isoptera. 4 Termites or white ants. 



VI. Corrodentia. 5 Psocids. hook lice. 



VII. Mallophaga/' Sheep ticks, bird lice. 



VIII. Physopoda. 7 Thrips. 



IX. Euplexoptera.* Earwigs. 



X. Orthoptera. Grasshoppers, crickets, cockroaches. 



XI. Hemiptera. Lice, bugs, plant lice. 



XII. Neuroptera. Ant-lions, hellgramite flies. 



XIII. Mecoptera. 9 Scorpion flies. 



XIV. Trichoptera. 10 Caddice flies. 



XV. Lepidoptera. Moths, skippers, butterflies. 



XVI. Uiptera. Flies. 



XVII. Siphonaptera. 11 Fleas. 



XVIII. Coleoptera. Beetles. 



XIX. Hymenoptera. Ants, wasps, bees. 



1 Ephemerida, Gr. i<p^p.epos, living but a day. 



2 Odonata, Gr. oSuiv, tooth. 



3 Plecoptera, Gr. ttX^kos, plaited, and wrepdv, wing. 



4 Isoptera, Gr. fcos, equal, and irrepbv, wing. 



5 Corrodentia, Lat. corrodere, to gnaw. 



6 Mallophaga, Gr. /xaWds, wool, and (payeiv, to eat. 



7 Physopoda, Gr. (pvedw, to blow up, and irovs, foot. 



8 Euplexoptera, Gr. eO, well, w\eKu, to fold, and wrepbu, wing. 



9 Mecoptera, Gr. fiy/cos, length, and nrepbv, wing. 



10 Trichoptera, Gr. Opl^, hair, and wrepbv, wing. 



11 Siphonaptera, Gr. alcpwv, tube, and SurTepos, wingless. 



