BLUE GROSBEAK S FOOD ITEMIZED. 



85 



Among the important insect pests eaten by the bhie grosbeak are 

 grasshoppers, weevils, the purslane sphinx, and the cotton cutworm. 

 The species deserves protection for its destruction of grasshoppers 

 alone, and when its food habits are considered in their entirety the 

 showing unquestionably is greatly in favor of the bird. 



LIST or SEEDS, FRUITS, AND INVERTEBRATES EATEN BY THE BLUE GROSBEAK. 



GRAIN ANU FORAGE PLANTS. 



Corn (Zea mays). 

 Oats (Avena sativa). 



Wheat {Triticum v ill (/are). 

 Alfalfa (Medicago sativa). 



WEEDS AND WILD FRUIT, 



Crab-grass {Panicum sp.). 

 Yellow foxtail {ChcEtochloa gJauca.) 

 Green foxtail (CJurtocltloa viridis). 

 Wild rice (Zizania aquatica). 



Itush grass {fiporoholiift sp. ). 

 Smartweed iPolijgoiiitui sp.). 

 Blackberry (Riibus sp.). 



COLEOPTERA. 



Ground-beetles (Carabidae). 

 Click-beetles (Elaterida^). 

 Leaf-beetles (Chrysomelidte). 

 Bronzy wood-borers (Buprestidfe). 

 Lamellicorn beetles (Scarabseidfe) 



Aphodius fimctarim. 



Lachnosterna sp. 



Long-borned beetles (Cerambycidae) : 



Hippopsis Icnmiscata. 

 Scarred snout-beetles (Otiorhynchidfe). 

 True snout-beetles (Curculionidte). 

 Bill-bugs (Calandridffi) : 



Rhodohwnus 13-punctatus. 



Cicadas (Cicadida?) : 



Cicada sp. 

 Tree-hoppers (Membracidap). 



HEMIPTERA. 



Squash-bugs (Coreidfe). 

 Stink-bugs (Pentatomidae). 



ORTHOPTERA. 



Short-horned grasshoppers (Acridi- 

 idte) : 

 Ilippiscus sp. 

 Melanoplus atlanis. 



Hawk-moths (SphingidaO : 

 Deilephila lincata. 



Long-horned grasshoppers 



tidae). 

 Crickets (Gryllidae) : 

 Gryllus sp. 



LEPIDOPTERA. 



Owlet-moths (Noctuidae) : 

 Prodenia ornithogalU. 



OTHER INSECTS. 



Robber flies (Asilidse). 

 Tachina flies (Tachinidae). 



Smooth-headed ants (Formicidu>). 

 Sawflies (Tenthredinidse) . 



OTHER INVERTEBRATES. 



Spiders (Araneida). | Snails (Gastropoda) 



( Locus- 



