ACRrDID.E. 



10. •ACRIDIOM VITTICEPS. 



579 



Fcem. Fulvum; vertex fiavo pallida late vittatus, anlice depressus 

 hexagonalis ; fiontis carincB interiores nigra varies; pro tharax nigra 

 indeterminate vittatus, vitta anlica liturisque flavis ; prosterni npina 

 luiiginscula ; femora postica nigra notata ; tibite postica rufie, spinis 

 albis upice nigris ; alee anticce cinerece, corpore vix breviores, maculis 

 pliirimis indelerminaiis fuscescente venosis ; alee postic<£ pallide 

 cinerea, nigra venosce. 



Female. Tawny, Head smooth ; vertex with a broad pale yellow 

 stripe, its fore part depressed and hexagonal ; front with four well-defined 

 keels, which diverge towards the face, the inner pair partly black. Eyes 

 elongate-elliptical. Prothorax scabrous, with a slight dorsal keel, with 

 transverse impressed lines, with an incomplete pale yellow stripe which is 

 most apparent near the fore border, and with some yellow marks on each 

 side ; some slight indications of black stripes ; fore border slightly rounded ; 

 sides nearly straight ; hind border slightly rounded. Prosternal spine 

 moderately stout, rather long. Hind femora a little shorter than the 

 abdomen, longer than the bind tibiae, with some black marks. Hind tibiae 

 red ; spines white, with black tips. Fore wings cinereous, almost as long 

 as the body, with many indistinct spots which are formed by brownish 

 veins. Hind wings pale" cinereous ; veins black, pale towards the base and 

 towards the interior border. Length of the body 23 lines ; expansion of 

 the fore wings 46 lines. 



a. Oajaca. From iM. Salle's collection. 



11. ACRIDIUM SCUTELLARE. 



Fcem. Testaceum, sat gracile ; vertex antice depressus, hexagonalis ; pro- 

 thorax postice rvfits, margine postico valde producto vix angulata ; 

 prosterni spina robusta, suhobliqua ; tibice pasticce rufm ; ulie anticcB 

 corpore longiores, guttis plarimis indelerminatis e venulis transversis 

 fusco nebulosis ; alee postica: diaphante, testaceo venosce. 



Female. Testaceous, rather slender. Head smooth; fore part of the 

 vertex depressed, hexagonal; front punctured, with four strongly marked 

 keels which diverge slightly towards the face. Eyes fusiform. Prothorax 

 finely scabrous, with a slight dorsal keel and with the usual four transverse 

 impressed lines; hind part re<i ; fore border and sides slightly rounded ; 

 hind border much elongated, hardly rugulose. Prosternal spine stout, 

 slightly oblique. Hind femora a little longer than the abdomen and than 

 the hind tibiae ; hind tibiae and bind tarsi red, spines of the former with 

 black tips. Fore wings rather longer than the body, with several indistinct 

 dots which are formed by the brown-clouded transverse sectors; veins 

 elsewhere reddish or testaceous. Hind wings pellucid; veins testaceous. 

 Length of the body 21 lines ; expansion of the fore wings 45 lines. 



a. Mexico. 



