HOW TO KNOW THE INSECTS 



ment is to confine some of thece larvae In a small tin box and 

 change the color of the goods given them from time to time. They 

 then weave a variegated case and one can tell In which order the 

 different parts were put on. Expanse of v/lngs 12-16 mm. (From 

 U.S.D.A.) 



This Is a large family of mostly tiny moths, many of which 

 are destructive. I.!any of the leaf miners belong here. 



10b Wings not as in 10a 11 



11a Narrow strong wings; heavy spindle-shaped body; antennae 

 tapering at both ends, sometimes hooked at end; usually large 

 moths. (The Hawk or Sohinx Moths) Fig. 188. 



Fami ly 10, SPHINGIDAE 



Fig. 188. Protoparce sexta Johan. 

 The Tomato Worm, (a, Adult; b, 

 larva; c, pupa, frequently 

 spaded up in gardens . ) 



V/ings brovmlsh gray, marked vlth 

 black, brown and whitish lines and 

 spots. Abdomen gray and black 

 with two rows of large yellow 

 spots. The larvae feed on tomiato 

 and tobacco. Expanse of wings 

 100-130 mL'.. Our sphinx moths are 

 medium to large size and are nar- 

 row winged, swift flyers. L:any of 

 the larvae have a horn (a) at the 

 posterior end. It is harmless. 

 (From U.S.D.A ) 



rieure 183. 



lib 

 12a 



Not as in 11a 



12 



Small, feebly flying, smoke colored moths with long, nar- 

 row, thinly scaled wings and slender, plumose antennae; often 

 marked with yellow or red. (The Smoky Moths) Fig. 189. 



Fami ly 34, ZYGAENIDAE 



Fig. 189. Harrisina aiiericana Guer. 

 The Grape-leaf Skeletonlz.er. 



Irridescent bluish or greenish 

 black with bright yellow collar. 

 The .caterpillars feed in companies 

 on the leaves of Virginia creeper 

 and grape. Expanse of wings about 

 35 mm. 



This Is a sm.all family of small 

 moths. L^ost of them have smoky 

 wings. Somie have markings of 

 bright colors. 

 12b Not as in 12a 13 



13a Small slender straw-colored moths with long "snouts" formed 

 by palpi; wings wrapped around body when at rest. (Sod web- 

 worm Moths). Or Small moths with three unbranched (anal) veins 



throck 



Figure 189. 



at back of hind wings. Fig. 190. 



Ficure 190, 



Fami ly 36, PYRALIDIDAE 



Fig. 190. Pyrausta nubil - 

 alis HubnerT The Euro- 

 pean Corn-borer. 



Light tan with brovmlsh 

 markings. The larva bores 

 in stalks of corn and many 

 other plants. Not yet 



93 



