ART. 28 REVISION OF DISONYCHA NORTH OF MEXICO BLAKE 65 



Altica meUicollis Say, Descriptions of new species of North American insects 

 found in Louisiana by Josepli Bambino, p. 10, 1831 (Louisiana) ; Boston 

 Journ. Nat. Hist., vol. 1, p. 199, 1835 (Missouri). (The original descrip- 

 tion is published in a rare publication, a copy of which is in the Boston 

 Society of Natural History, and was printed by the " School Press, New 

 Harmony.") 



"J.. 9)ieUicoJUs, Head black; thorax yellowish; elytra blue. Inhab. 

 Louisiana. Head blue-black, with rather large punctures each side, 

 between the antennae convex, dark piceous; antennae black brown, 

 three basal joints honey yellow beneath: palpi black: thorax pale 

 honey yellow, punctures not obvious : scutel impunctured : elytra 

 with numerous, small, distant punctures, not profound, dark viola- 

 ceous blue : pectus yellowish : postpectus blackish : venter blackish, last 

 segment dull yellow : thighs honey yellow ; tibiae black, j^ellowish at 

 base: tarsi black. Length nearly one fifth of an inch. Related to 

 coUaris Hlig. and colJata Fabr., particularly the latter, from which 

 it may be distinguished by its blue elytra, and immaculate face." 

 This species is discussed under D. coUata. 



Haltica vicina Kirby, Fauna Boreali Amer., vol. 4, p. 217, 1837 (Canada; type 

 lost). 

 "Pallida, pectore, capite punctis tribus; prothorace quatuor line- 

 olaque, coleoptris vittis quinque, tarsisque, nigris. L. body 31/3 

 lines." K. G. Blair, of the British Museum, writes that the type of 

 this species has been lost. From the description it might be either 

 D. uniguttata or D. procera. 



Disonijcha limiicoUis var. pallipcs Crotch, Proc. Acad. Nat. Sci. Philadelphia, 

 vol. 25, p. 64, 1873. (Type locality not given; type not in Crotch's collec- 

 tion in England or in this country so far as can be found.) 



" Elytra yellow with black vittae. 

 Under surface pubescent. 



Thorax short, sides broadly reflexed with a marked callus, head black. 



Legs and under side black. limbicoUis.^ 



Hind femora at least and part of the body red. V. pallipcs:' 



This variety has been discussed under D. procera and uniguttata. 



Altica quinqucvittata Say, Journ. Acad. Nat. Sci. Philadelphia, vol. 4, p. 85, 

 1824 (Missouri). 

 " Yellowi.sh : thorax 4- or 5-spotted ; elytra 5-lined. Inhabits Mis- 

 souri. Body oblong-oval, yellowish, glabrous; antennae black, 3 

 basal joints rufous beneath; thorax with an abbreviated, black line 

 in the middle of the posterior submargin, and a semicircular series 

 of 4 equal, equidistant, suborbicular black spots; posterior edge con- 

 cave at the scutel; scutel black; elytra with a common sutural fillet; 

 each elytron with a fillet originating at the humerus and terminating 



