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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Aposematic form

yellow grasshopper - Schistocerca lineata - female bird grasshopper ?  large, blue,green and yellow - Schistocerca lineata - female grasshopper sp. - Schistocerca lineata - female Schistocerca lineata? - Schistocerca lineata - female Schistocerca lineata Schistocerca lineata - male Schistocerca lineata - male Schistocerca lineata - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Caelifera (Grasshoppers)
Family Acrididae (Short-horned Grasshoppers)
Subfamily Cyrtacanthacridinae (Bird Grasshoppers)
Genus Schistocerca (Bird Grasshoppers)
Species lineata (Spotted Bird Grasshopper)
No Taxon Aposematic form
Primarily in south and central Texas, northeastern Mexico, and sporadically north into Oklahoma.
Mostly lush deciduous woody growth, particularly on Hop Tree Ptelea trifoliata.
feeds primarily on common hoptree (Ptelea trifoliata, Rutaceae)
This striking form has been mentioned a few times in literature as S. lineata or the synonym S. emarginata. Apparently they represent an aposematic population (brightly colored and chemically protected) that feeds primarily on Ptelea trifoliata.
Print References
Sword, G.A. 1998. Host plant use and density-dependent aposematism in Schistocerca (Orthoptera: Acrididae). PhD thesis, University of Texas, Austin, TX.
Sword, G.A. 2002. A role for phenotypic plasticity in the evolution of aposematism. Proc. R. Soc. Lond. B (2002) 269: 1639–1644. (Full Text)
Sword, G.A. and Dopman, E.B. 1999 Developmental specialization and geographic structure of host plant use in a polyphagous grasshopper, Schistocerca emarginata (= lineata) (Orthoptera: Acrididae). Oecologia 120: 437–445.