LAMELLICORNIA. 399 



Diplotaxis hebes (p. 164). 



To the Mexican localities given, add: — Santa Clara in Chihuahua (Hoge). 



25 (a). Diplotaxis ? 



Hab. Guatemala, CapetiUo (Bodriguez). 

 A single example of a doubtful species. 



25 (b). Diplotaxis cribratella. 



Oblonga, aenescenti-fusca, glabra ; caput crebre punctatuin, clypeo brevissimo antice obtuse truncato subsinuato, 

 lateribus valde obliquis, fronte medio retusa ; thorax medio perparum dilatatus, grosse et crebre hie illic 

 confluenter punctatus, basi immarginata, angulis posticis obtusis sed distinctis ; elytra striis geminatis 

 striisque lateralibus et suturali distinctis cum interstitiis sat grosse punctatis. Subtus cum pygidio 

 parva, crebre punctata. 



Long. 8 millim. 



Hab. Mexico, Omilterne in Guerrero 8000 feet (H. H. Smith). 



Two examples. This species is extremely nearD. hebes, but differs especially in the 

 form and sculpture of the thorax, which in D. hebes is rather strongly dilated much 

 behind the middle and is sparsely punctured on the disc. 



CHL^NOBIA (p. 166). 



7. Chlsenobia unituberculata. 



Anguste elongata, flavo-testacea, supra discrete (capite grossius) punctulata, thorace medio subangulatim 



dilatato, angulis posticis rectis, elytris utrinque costulis duabus sublsevibus. 

 <$ . Tarsi subtus dense pilosi, antici vix perspicue dilatati. Pygidium mediocriter aequaliter convexum, sparse 



punctatum, glabrum, margine apicali valde reflexo. Venter medio glaber, sparsissime punctulatus, 



segmento apicali medio fovea rotunda leevi. 

 5 . Tarsi nee elongati nee dilatati, subtus mediocriter pilosi. Pygidium vix punctatum, medio tuberculo unico 



conspicuo lsevi, margine apicali valde reflexo. Ventris segmentum apicale convexum integrum. 

 Long. 14-16 millim. 



Hab. Mexico, Temax in North Yucatan (Gaumer). 

 Seven examples. 



8. Chlaenobia rodriguezi. 



A 0. tumulosa S $ differt corpore toto densius et fortius punctato, vix nitido ; thorace medio angulatim 



dilatato, feminaque valde discrepat pygidio haud profunde concavo etc. 

 $ . Tarsi sicut in G. tumulosa subtus dense pilosi. Pygidium grosse punctatum, mediocriter convexum, prope 



apicem fovea elongata parum profunda, margine apicali reflexo simplici. Ventris segmenta 2 m -5 m dense 



punctulato-pilosa, 6° polito, margine apicali medio dentiformiter producto. 

 Long. 14-15 millim. 



Hab. Guatemala, Capetillo (Bodriguez). 

 Three examples, all females. 



