146 LAMELLICORNIA. 



22. Macrodactylus championi. (Tab. IX. fig. 5.) 



M. longicolli affinis ; differt colore obscure viridi-aeneo, glabro, pedibus rufis, tarsis articulis apice nigris basi 



cinereo-pilosis ; clypeo breviter trapezoideo ; tborace angusto, medio utrinque valde angulato ; antennis 



rufis, clava nigra ; elytris alutaceis et rugulosis. 

 c? • Femora antice subtus dente magno, acuto. Caput et thorax dense confluenter punctulata. Spina post- 



coxalis brevissima : ventris setae elongatae, fulvae, numerosae, utrinque 5 vel 6 ; metasternum longe setosum. 

 5 . Thorax grossissime punctatus et erecte fulvo-pilosus (medio interdum laevi) ; venter et metasternum medium 



erecte pilosi. 

 Long. 10-12 millim. 



Hah. Guatemala, Totonicapam 8500 to 10,000 feet, Calderas 7000 feet (Champion). 



23. Macrodactylus dimidiatus. 



Macrodactylus dimidiatus, Guerin, Mag. Zool. 1844, t. 147. p. 1\ 

 Macrodactylus semicceruleus, Burm. Handb. der Ent. iv. 2, p. 62 2 . 



c? . Tibiae anticae intus angulatim dilatatae, femora antice subtus dente lato et obtuso. Prosterni spina post- 

 coxali brevi, acuta, interdum nulla; ventris setis obscure piceis, tenuibus, utrinque 1 vel 2, apice cum 

 pygidio flavo. 

 Long. 11-13 millim. 



Hah. Mexico x 2 , Toxpam, Cordova (Salle), Misantla, Mexico city, Jalapa (Edge) ; 

 Bkitish Honduras, R Sarstoon (Blancaneaux) ; Guatemala, Senahu, Sinanja (Champion). 



A large number of examples including Guerin's type specimen, which is a female. 



24. Macrodactylus ovaticollis. (Tab. IX. fig. 6.) 



Gracilis, thorace ovali, lateribus nullo modo angulatis ; fulvus (elytris sutura et margine anguste denudatis, nigris, 

 costulis utrinque 2 fulvo-denudatis) pube recumbente longa sed subtili fulvo-cinerea vestitus ; antennis 

 rufis, clava (d 1 ) elongata, apice infuscata; pedibus rufis, tibiis apice tarsisque nigris; clypeo anguste 

 trapezoideo, antice valde angnstato, apice truncato ; femoribus anticis subtus prope basin spina unci- 

 formi tenui armatis ; spina postcoxali mediocri, obtusa, fulva ; ventre setis fulvis paucissimis utrinque 

 1 vel 2. J . 



Long. 10 millim. 



Hah. Panama (Salle). One example only. 



The well-marked structural characters of this species will perhaps render it recog- 

 nizable by the above description, although made from a single example, which, as a 

 rule, is to be avoided in so variable a genus as the present. 



M. ovaticollis approaches closely in colour and pubescence M. felix, Kirsch, of 

 Colombia; but nothing is said in the author's description regarding the peculiar 

 rounded form of the thorax. 



25. Macrodactylus thoracicus. (Tab. IX. fig. 7.) 



Macrodactylus thoracicus, Kirsch, Berl. ent. Zeitschr. 1885, p. 218 \ 



Hah. Panama, Volcan de Chiriqui (Champion). — South Ameeica, Ecuador 1 . 



A single male example from Chiriqui, agreeing with Kirsch's description and with an 



