![](images/P/Psyrassa_basicornis_(syntype)_Pascoe_BMNH_Tav_Yucatan_Mexico.jpg)
Specimen Type: syntype Sex: f Institution: BMNH British Museum Natural History, London, UK Photographer: Gerard Tavakilian Collection Location: Yucatan, Mexico 18356
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![](images/P/Psyrassa_basicornis_(h-f)_Pascoe_BMNH_col.jpg)
Specimen Type: syntype Sex: f Institution: BMNH British Museum Natural History, London, UK Photographer: Victor Toledo Collection Location: Yucatan, Mexico 21152
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![](images/P/Psyrassa_basicornis_(h-f)_Pascoe_BMNH_label.jpg)
Specimen Type: syntype Sex: f Institution: BMNH British Museum Natural History, London, UK Photographer: Victor Toledo Collection Location: Yucatan, Mexico 21153
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![](images/P/Psyrassa_aliena_(Linsley)_Chamela_Jalisco_Mexico_Giesbert_Coll_FSCA.jpg)
Institution: EMG Ed Giesbert Collection (now at FSCA) Collection Location: Chamela, Jalisco, Mexico 12781
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![](images/P/Psyrassa_basicornis_Pascoe_Chiapas_Mexico_Giesbert_Coll_FSCA.jpg)
Institution: EMG Ed Giesbert Collection (now at FSCA) Collection Location: Chiapas, Mexico 12782
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![](images/P/Psyrassa_aliena_9kmS_Chamela_Jalisco_Mex_LGB.jpg)
Institution: LGB Larry G. Bezark Collection, Sacramento, California, USA Photographer: Larry G. Bezark Collection Location: 9 km S Chamela, Jalisco, Mexico 37537
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