Pachybrachys stygicus, Fall

Barney, Robert J., 2018, Definition and Revision of the Atomarius Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), Including Descriptions of Nine New Species, The Coleopterists Bulletin 72 (1), pp. 9-74: 12

publication ID

http://doi.org/ 10.1649/0010-065X-72.1.9

publication LSID

lsid:zoobank.org:pub:urn:lsid:zoobank.org:pub:69C3E6FD-3835-4B7D-BA21-76DE061F8D7D

persistent identifier

http://treatment.plazi.org/id/120C879C-FFC3-FF97-FD17-81B3FB33C97A

treatment provided by

Diego

scientific name

Pachybrachys stygicus
status

 

6. Median lobe with median orificial plate large and heavily sclerotized, conspicuous, shaped like an inverted ladle ( Fig. 5 View Fig ) ............................. 5. P. stygicus Fall  

6 ʹ. Median lobe not as above .................. 7