17. 



a] 

 lid- I 



Familv ^. — 1. Four tarsal joints. 2. Head lengthened into 

 long snout or proboscis. 3. Antennae situated near mi 

 die of proboscis. 4. Mouth-parts much reduced in size, } CURCULI- 

 at extremity of snout. 5. Bodies hard, generally round, I ONIDAE. 

 and often minute. J (Weevils.) 



Family T.—rl . Four tarsal joints. 2. Body oblong, often cyl-"| 87 



indrical. 3. Recurved antennae filiform and remarkably ! CERAM- 



long. 4. Powerful mandibles incurved. 5. Sometimes! Bycidae. 

 very large and showy. J nia.) 



Famih/ Q. — 1. Four tarsal joints. 2. Body short and oval. 

 3. Antennae not lengthened. 4. Colors brilliant. 5. 

 Eyes round and prominent.^ 6. Thorax narrow, cylindri- \ mklH^Ve 

 cal. 7. Thighs often much thickened in the middle. | (Leaf-bee- ' 

 8. Abdomen with five free segments. J ties. 



Family t. — 1. Three tarsal joints. 2. Hemispherical. 3.") 89 



Colors red or yellow, with round or lunate black spots, or [ p^^ppyvrpT 

 sometimes black with yellow spots. 4. Larvae and pupae f lid4E 

 devour plant lice. J (Lady-birds) 



CHRYSO- 



SuB-ORDER v.— HOMOPTERA. 



Family a.— 1. Antennae with from five to seven joints, and gen-" 

 erally longer than body. 2. Ocelli wanting. 3 Beak 

 in both sexes and three jointed. 4. Legs long and slen 

 der. 5. Tarsi two jointed 6. Males, females, and last ► 



brood of asexual individuals with wings. 7. Body flask- j 

 shaped, cylindrical. 8. Abdomen thick and round. 9. | 

 Wings few veined. 10. Color usually green. J 



90 



APHIDAE. 



(Plant-lice.) 



91 



Family'^. — 1. Antennae with six or more joints. 2. Tarsi two] 

 jointed. 3. Beak wanting in males. 4. Hind wings I 

 usually wanting in males. 5. Females wingless 6. \ COCCIDAE 



Scales made by the females are usually flattened, scale-like, ( 

 or rounded hemispherical. 7. Adult females scale-like. J (Bark -lice.) 



Family Q. — 1. Body flattened. 2. Head broad. 3. Legs] 92 

 short. 4. .Antennae eight to ten jointed, forked — two 



slender terminal bristles forming the fork. 5. Epimera | psYLLI- 



of metathorax terminate behind in an acute spine on each \ DAE. 



side. 6. Wings are thickened and folded roof-like over (Small Leaf- 



the body. 7. Limbs short with thickened shanks. 8. I ^i""-^"---^ "' 

 Tarsi two jointed. j 



hoppers.) 



Family d. — 1. Head broad, triangular, and obtusely pointed in ] 

 front. 2. Scutellum large, triangular, not concealed by I 

 the wings when at rest. 3. Antennae short, two jointed, | 

 end in bristles, and inserted on upper edge of front, just be- \ 

 fore the eyes. 4. Prothorax large, broad, flattened, and 

 transversely oblong. 5. Fore wings thickened. 6. 

 Hind legs long and fitted for leaping. 



93 



CICADEL- 

 LINA. 



(Leaf-bop- 

 pers.) 



