Order HOMOPTERA Cicadas, Leaf-hoppers, Aphids 



Small to moderate sized insects; with sucking mouth parts; wings not 



with basal part hardened 

 Order HETEROPTERA (or Henuptera) True Bugs 



Small to large insects; with sucking mouth parts; basal portion of fore 



wing thickened, distal part membranous 

 Order ODONATA Dragon-flies, Damsel-flies 



Large insects; abdomen elongate; wings not folded, all membranous; 



head freely movable 

 Order EPHEMERIDA (or Pie ctopter a) May-flies 



Medium sized insects; head not freely movable; fore wings much larger 



than hind ones 

 Order PLECOPTERA Stone-flies 



Moderate sized insects; hind wings larger than fore wings and folded 



when at rest 

 Order NEUROPTERA Lace-wings, Ant-lions, Dobson-flics 



Small to large insects; wings similar in size; predatory insects with 



large eyes 

 Order MECOPTERA Scorpion-flies 



Small to medium sized insects; head prolonged into a down-curved beak 



bearing chewing mouth parts; four wings alike, long and narrow; legs 



long and slender 

 Order TRICHOPTERA Caddis-flies 



Small to medium sized insects; wings membranous, hairy 

 Order LEPIDOPTERA Butterflies, Moths 



Small to large insects; wings with shingle-like scales; with sucking mouth 



parts 

 Order DIPTERA Flies 



Small to medium sized insects; with one pair of wings, the second pair 



represented by knobbed structures called halteres; with sucking, pierc 



ing or lapping mouth parts 

 Order SIPHONAPTERA Fleas 



Small, wingless, jumping insects with piercing and sucking mouth parts; 



body with bristles; antennae short; legs large and stout 

 Order COLEOPTERA Beetles 



Minute to large insects; fore wings hardened, forming a cover for the 



folded, membranous hind wings; with biting mouth parts 

 Order HYMENOPTERA Bees, Wasps, Ants 



Small to medium sized insects; wings, when present, membranous, the: 



fore wings larger; ovipositor usually sting-like 



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