24 U.S. NATIONAL MUSEUM BULLETIN 290 



Dark elytral markings about equaling yellow markings in extent, not 

 meeting beyond sutural region (fig. 110); pronotum orange or red 



with yellowish markings triundulatus, new species 



105(99). All dark elytral markings joining (fig. 102); length 4.2 mm.; Arizona. 



contextus, new species 



Dark elytral markings not joining, with three to seven isolated spots in 



addition to other marldngs (figs. 76 and 77); length 4.3 to 6.5 mm.; 



eastern to central states and Texas .... mutabilis Melsheimer 



Genus Cryptocephalus Miiller 



Cryptocephalus Miiller, 1764, p. xiii. [Type-species Chrysomela sericea, designated 

 by Latreille, 1810, p. 432; see Barber, in Blake, 1931, ps 2.] 



Homalopus Chevrolat, 1837, p. 422 [in Dejean]. [Type-species Cryptocephalus 

 loreyi SoHer, by monotypy.] 



Physicerus Chevrolat, 1837, p. 420 [in Dejean]. [Type-species Cryptocephalus 

 speciosus Guerin, by monotypy.] 



Strigophorus Chevrolat, 1837, p. 422 [in Dejean]. [Nomen nudum.] 



Disopus Chevrolat, 1837, p. 425 [in Dejean]. [Type-species Chrysomela pini L. 

 by monotypy.] 



Protophysus Chevrolat, 1837, p. 422 [in Dejean]. [Type-species Cryptocephalus 

 lobatus F., designated by Monros and Bechyne, 1956, p. 1123.] 



Dicenopsis Saunders, 1842, p. 70. [Tj'pe-species Dicenopsis haematodes Boisduval, 

 by monotypy.] 



Anodonta Saunders, 1843, p. 66 [preoccupied, Lamarck, 1799]. [Type-species 

 Anodonta roei Saunders, by monotypy.] 



Idiocephala Saunders, 1845, p. 142 [described as subgenus]. [Type-species by origi- 

 nal designation Anodonta roei Saunders. New synonymy.] 



Proctophysus Redtenbacher, 1845, p. 118 [error for Protophysus Chevrolat]. 



Taxaris Gistel, 1848, p. 123 [replacement for Disopus.] 



CanthostetJms Haldeman, 1849, p. 245 [described as subgenus]. [Type-species 

 Canthostethus rugicollis Haldeman by present designation (preoccupied, = 

 Cryptocephalus schreihersii Suffrian).] 



Mecosteihus Stal, 1858, p. 61. [Type-species Mecostethus sahlbergi Stal, by mono- 

 typy-] 



Euphyma Baly, 1877b, p. 224. [Type-species Idiocephala flaviventris Saunders 

 (1845, p. 147), by present designation.] 



Stegnocephala Baly, 1877a, p. 32. [Type-species Cryptocephalus hemixanthus 

 Su8"rian, by original indication (synonymized by Weise, 1921, p. 8).] 



Ceropachys Burlini, 1953, p. 75 [described as subgenus]. [Type-species Crypto- 

 cephalus kocheri Burlini (preoccupied by Pic, 1951, p. 86, = Cryptocephalus 

 emiliae Burlini, 1954, p. 174), by original designation. Preoccupied, Costa, 

 1847.] 



Heterodactylus Medvedev, 1963, p. 38 [described as subgenus]. [Type-species 

 Cryptocephalus macrodactylus Geblcr, by original designation. Preoccupied, 

 Spix, 1825.] 



Asiopus Lopatin, 1965, p. 452 [described as subgenus]. [Type-species Crypto- 

 cephalus flavicoUis F., b}^ original designation. Preoccupied, Sharp, 1892.] 



Burlinius Lopatin, 1965, p. 455 [described as subgenus], (Type-species Crypto- 

 cephalus fulvus Goeze, by original designation.] 



Geoffroy (1762, p. 231) is usually cited as author of this genus. 

 Because he did not use the requisite binary system of nomenclature, 



