104 



THE REPORT OF THE 



No. 19 



B. Upper wings parchment-like Orthoptera. 



C. Upper wings with many veins Neuroptera. 



3. Insects with a sucking mouth : 



A. All wings scaly Lepidoptera. 



B. Only two wings Diptera. 



C. Upper wings half leathery and half membranous 



The Hymenoptera contain many beneficial forms, and some injurious 

 forms. The metamorphosis is complete. They are often divided into the 

 stinging species, such as bees, wasps, digger-wasps, ants, etc. ; and the pierc- 

 ing species, such as Ichneumon flies (Fig. 39), Chalcid-flies, Gall-flies, Saw- 

 fl'es (Fig. 40), and Horn-tails. 



Fig. 36. Gragehopper (Orthoptera) 



The Coleoptera or the Beetles are divided into the True Beetles, and the 

 Snout Beetles. The True Beetles are again divided according to their tarsi 

 and antennae into : — 



1. Carnivorous beetles with thread-like antennae, and nearly all are~ 

 beneficial. Such are the Tiger-beetles (Fig. 41), and the Ground-beetles. 



Fie. 37. a. Bug 

 7Hemi])tera 

 Heteroptera) 



Fig. 39. Ichneumon Fly 

 (Hymenoptera) 



Fig. 38. Bug with wings 



expanded (Hemiptera) 



2. Club-horn beetles with club-shaped antennae. Most of these are 

 beneficial. Among these are Rove-beetles, Burying-beetles, and Lady-bird 

 beetles (Fig. 42). 



3. Saw-horn beetles with saw-toothed antennae. These are mostly in- 

 jurious, and include the Wire-worms and Buprestid Wood-borers. (Fig. 43. 



4. Leaf -horn beetles knobbed antennae made up of many leaf -like 

 pf rts. (Fig. 44). Most of these are injurious, and include the Rose-beetles, 

 June bugs, and Stag-beetles. 



5. Plant-Eater beetles with bead-like antennae. (Fig. 45). All of 

 these are injurious, and include the potato-beetle (Fig. 46), Flea-beetle, and* 

 Pea-weevil. 



Among the Snout beetles (Fig. 47), are Plum-curculio, Grain-weevils,, 

 and Bark-beetles. Most are injurious. 



The Lepidoptera are divided into the Moths, Butterflies, and Skippers', 

 (Fig. 48). Their larvae are caterpillars, and some are among our most in- 



