![](images/D/Derobrachus_spadix_(h-m)_Casey_USNM_=_Orthosoma_brunneum.jpg)
Derobrachus spadix Casey Specimen Type: holotype Sex: m Institution: NMNH United States National Museum, Washington, DC, USA 25747
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![](images/D/Derobrachus_amplians_(syn)_Casey_USNM_=_Orthosoma.jpg)
Derobrachus amplians Casey Specimen Type: syntype Institution: NMNH United States National Museum, Washington, DC, USA 25745
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![](images/D/Derobrachus_amplians_labels_(syn)_Casey_USNM_=_Orthosoma.jpg)
Derobrachus amplians Casey Specimen Type: syntype Institution: NMNH United States National Museum, Washington, DC, USA 25746
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![](images/O/Orthosoma_brunneum_(Forster)_FSCA.jpg)
Institution: FSCA Florida State Collection of Arthropods, Gainesville, FL, USA Photographer: Mike Thomas 2325
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