SEGMENTED SCHIZOCOELS 



251 



Figure 14.29 Coleoptera, Strepsiptera, and Hymenoptera. Coleoptero: 1-6, some beetle types. 

 Strepsiptera: 7, winged male and wingless female strepsipterons (x 6). Hymenoptera: 8 and 9, 

 sawflies (X '2); 10. a horntail (x '2); 11, a stem sawfly (x 1); 12 and 13, ichneumon wasps 

 (X 1); 14, a calcid wasp (x 8); 15, o wasp (x 2); 16, on ant (x 2);17, abee(x 1). (After various 

 sources.) 



predators; adults are poor fliers, usually close to 

 streams; feed upon liquids (Figure 14.28). 



ORDER LEPIDOPTERA (Buiferflies, Skippers, and Mofbs) 



Diagnosis: minute to very large; four membra- 

 nous wings (rarely none), covered with overlapping 



scales, held horizontally to vertically at rest; larval 

 mouthparts chewing, adult sucking; larvae are worm- 

 like caterpillars, with two silk glands on mouth part 

 for spinning pupal stage cocoon; larvae herbivorous, 

 often destructive to plants, or scavengers that may 

 harm clothing and stored grain; adults valuable pol- 

 linators of plants (Figure 14.28). 



