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MENIDIUS.— PLOCHIONUS. 



197 



Menidius incultus. (Tab. vm. fig. 17 



Plochiono pallenti similis, sed multo gracilior, thorace postice minime angustato nee sinuate tarsisque gracilibus. 

 Fulvo-testaceus, nitidus ; capite subtiliter et irregulariter ruguloso, fronte foveola mediana parva, sulcu- 

 loque angusto juxta oculos ; thorace rotundato-angustato usque ad collum, postice vix angustato, angulis 

 posticis fere rectis, supra transversim striguloso ; elytris subtiliter punctulato-striatis, interstitiis convexis, 

 3° bipunctato ; tarsis posticis gracilibus haud depressis, articulo 4° acute emarginato, unguibus longius 

 quam in Plochiono pallente pectinatis. 



Long. 3 lin. 



Hob. Guatemala, San Geronimo (Champion 



2. Menidius circumseptus. (Tab. VIII. fig. 16.) 



Quoad signaturas Euprocto subdeleto similis. Oblongus, quam M. timiclus multo angustior, testaceo-fulvus, capite 

 thoraceque rufioribus; media fronte foveola y-formi, juxta oculum utrinque acute uniplicata; thorace 

 semiovato, postice latiore, dorso transversim strigoso ; elytris utrinque linea angusta suturali et intra- 

 marginali fasciaque simili postmediana paullulum obliqua, nigra ; linea suturali juxta basin et apicem 

 interrupta; dorso subtiliter sed sat acute punctulato-striato, interstitiis subconvexis. 



Long 3| lin. 



Hob. Guatemala, near the city (Champion). 



3. Menidius formosus. (Tab. VIII. fig. 18.) 



M. favigero affinis; multo major, elongato-ovatus, fulvus nitidus, elytris nigro-reticulatis, vel nigris margine et 

 humero maculisque sequalibus angulatis utrinque novem, scilicet 2 2 12 2, fulvis ; antennis nigris, 

 articulis l°-3 m et 4° basi rufis ; palpis nigris, apice rufls ; fronte grosse irregulariter rugosa, medio fusca ; 

 thorace fere semicirculari, margine laterali (prcecipue postice) late explanato et modice reflexo ; linea 

 dorsali lata et profunda infuscata, disco transversim rugoso vitta utrinque nigro ; elytris striatis, inter- 

 stitiis convexis hie illic depressis et planioribus ; tarsis infuscatis. 



Long. 4| lin. 



Ilab. Mexico, Mirador (Hoge); Guatemala, Zapote (Champion). 



In the Mexican specimen of this remarkable species the black curves which form the 

 reticulation are much narrower than in the Guatemalan examples ; but the enclosed 

 tawny-yellow spots are nearly of the same shape in both forms, and they are all 

 .completely circumscribed by the black lines, except three of the four next the narrow 

 black suture, which are open to each other for a very narrow space by the black marks 

 not quite touching the suture. The allied species, M. faviger (Chaud.), from New 

 Granada, is only 5 J millim. long (2f lin.), and has ten yellow spots on each elytron. 



PLOCHIONUS. 



Plochionus, Dejean, Sp. Gen. Col. i. p. 250; Chaudoir, Monogr. des Callidides, p. 76. 



Two species only of this genus have been recorded, one of them cosmopolitan in its 

 range, its habit of resorting for prey to boxes and trunks having led to its wide 

 dissemination by commerce. What its original home may have been it would be 

 hazardous to say. 



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