60 



SCHOOL ENTOMOLOGY 



3. 



4. 





9.^ 



10. 



FIG. 36. Types 

 of True Bugs 

 (Heteroptera). 

 Enlarged. 



1. Lace-bug 

 (Tingitidce); 2, 

 Negro-bug (Cori- 

 melcenidoe) ; 3, Bed- 



bug (Acanthiidce); 

 4, Flat-bug Ara- 

 didce) ; 5, Chinch- 

 bug (Lygceidce) ; 6, 

 7, Lygceidce; 8, 9, 

 Leaf-bugs (Capsi- 

 dce); 10, Stilt-bug 

 LBerytidce). 



a few large species included in the family. 

 Many have the powerful odor found in 

 the preceding group and are, on this ac- 

 count, often mistaken for them. The box- 

 elder bug of the Middle West and the leaf- 

 footed bugs of the South are members of 

 this family. 



The Assassin-bugs (Reduviidce) are, in 

 general shape, much like the squash-bugs, 

 but give the impression of being softer 

 and more delicate. Their legs are longer 

 and more slender and heads and beaks 

 are also often more slender, although the 

 beaks may be short and powerful. Assas- 

 sin-bugs are, as their name implies, pre- 

 daceous, and capture and eat large numbers 

 of other insects. Some forms get in houses 

 and even attack man. They may be 

 considered, in general, as beneficial insects. 



One of the most serious pests the grain 

 grower of the Middle States has to fight is 

 the Chinch-bug. (See page 238, Part II.) 

 This insect is one of the smaller members 

 of a family (Lygceidce) which takes its com- 

 mon name from this species. Lygseids are 

 intermediate between the squash-bugs and 

 the assassin bugs in form. They range 

 from very small to medium in size and 

 are usually of dark colors. They are gen- 

 erally plant eaters but, with the one ex- 

 ception, are not serious pests. 



Still another well-known bug is the 

 common Bed-bug (Acanthiidce) . It is less 



