HOW TO KNOW THE INSEQS 



Fig. 229. Eriocampoides llmaclna 

 Retzlus. The Pear and Cherry 

 Slug. 



Head, body, legs and antennae 

 black. Wings smoky v/ith black 

 veins. Tl-ie larvae are brown slimy 

 slugs which feed upon the upper 

 surface of the leaves of pear, 

 cherry and plum. Length of adults 

 about 6 mm. (From U.S.D.A.) 



Sawflies are abundant both in 

 Figure 229. individuals and species, llany of 



them are marked v^ith sharply con- 

 trasting colors. The imported 

 currant worms, abundant in spring on currants and gooseberries, 

 and the rose slugs are common examples of the larvae of the 

 family. 



5a Slender petiole of abdomen bearing a node or erect scale (d). 

 Usually wingless. Males and queens winged at mating season. 

 (The Ants.) Fig. 230, Family 52, FORMICIDAE 



Fig. 230. Carnponotus hercu - 

 leanus penn sylvan icus De G. 

 The Carpenter Ant. (a, Winged 

 queen; b, worker minor; c, 

 worker major. ) 



Black or dark brovm. Our 

 largest ant. Lives in logs, 

 eating galleries in the v/ood. 

 Sometimes destructive to 

 buildings. Length 7-16 mm. 

 (From U.S.D.A.) 



Ants may be found almost 

 everywhere. There is a goodly 

 number of species already known to the state. They live a highly 

 successful community life, build houses, plant and harvest their 

 crops, keep their domestic animals and pets, and do many other 

 highly interesting things. 



5b Petiole not as In 5a 6 



6a Wingless (females) or winged (males); thorax or wide band on 



abdomen thickly covered with red hairs; 

 hind tarsus slender and cylindrical 

 (Velvet Ants.) Fig. 231. 

 W'^ Ji Fam i I y 50, MUT I LL I DAE 



Fig. 231. Dasymutilla interrupta Banks 



Head and thorax brick red. Eyes and 

 legs black. First abdom.inal segm.ent 

 covered with reddish brown hairs sur- 

 rounding four light red, round spots. 

 All abdominal segments margined with 

 black and fringed^ with silver-white 

 hairs. Males are* winged and display 

 more black. Length 9-14. mm.. 



Figure 230, 



Figure 231, 



The members of this family are often 

 heavily clothed with hair. The body 

 does not have the scale-like nodus on 



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