Randersonia Chamorro, a new genus with two new species of North American Cryptorhynchinae (Coleoptera: Curculionidae)
Author
Chamorro, M. Lourdes
Systematic Entomology Laboratory, ARS, USDA ℅ National Museum of Natural History, Smithsonian Institution, Washington, D. C. 20560.
Author
Presnall, Tara Milovana
The Pennsylvania State University, College of Engineering, University Park, PA. 16802.
text
Zootaxa
2022
2022-12-23
5222
6
591
599
journal article
55320
10.11646/zootaxa.5222.6.6
859d0b80-d708-4f98-b528-6c5a508ce1bb
1175-5326
7477441
68D41AEE-0EBB-4063-9B9E-623C32FF6F9D
Amended key for
Cryptorhynchinae
of
U.S.A.
(modified from
Anderson (2002:40)
to include
Randersonia
)
6(3). Metasternum short, the distance between middle and hind coxae distinctly shorter than length of antennal club............ 7
– Metasternum long, the distance between middle and hind coxae subequal to or distinctly longer than length of antennal club................................................................................................... 15
15(6). Pronotum markedly produced over head, head not visible in dorsal view; tibia very short, less than one-half as long as femur; hind tibia with or without apical comb of stout setae;....................................................... 15b
– Pronotum not produced over head, head visible in dorsal view; tibia longer than one-half length of femur; hind tibia with apical comb of stout setae (usually arranged subparallel to long axis of tibia);.......................................... 16
15b (15). Hind tibia without apical comb of stout setae; integument clothed in grey and black or variously colored, tightly arranged scales obscuring underlying cuticle, scattered plumose scales absent, scutellum and humeri prominent; disk not distinctly punctate; interstriae elevated, metanepisternal suture distinct and wings present; longitudinal elytral striae with each puncture shallow, diameter less than space between punctures….............................................
Paracamptus
–- Hind tibia with apical comb of stout setae; integument straw colored, visible, mostly glabrous, not clothed in dense scales, scattered plumose scales present, scutellum may or may not be visible and humeri not or weakly developed; interstriae not elevated, metanepisternal suture covered by elytra; longitudinal elytral striae with each puncture deep, diameter equal to or greater than space between punctures.......................................................... ...
Randersonia