MALACOKHINUS. 



587 



10. Malacorhinus guatemalensis. 



Black, above testaceous ; thorax nearly impunctate ; elytra closely punctured, the interspaces slightly rugose, 



an elongate spot near the scutellum and another one below the middle, black. 

 Tar. The two elytral spots joined into a longitudinal stripe. 



Length 1| line. . . 



Head with a few fine punctures ; the frontal tubercles strongly raised, trigonate ; the palpi piceous ; antennae 

 slender, black, the third joint slightly shorter than the fourth ; thorax about one half broader than long, 

 narrowed at the base, the surface with a few fine punctures; elytra testaceous or pale flavous, more 

 distinctly punctured than the thorax, the interspaces somewhat rugose. 



Eab. Guatemala, near the city (Salvin), Capetillo, Purula (Champion). 



Smaller than M. biplagiatus, and of a paler colour above ; the elytral spots of elongate 

 (not transverse) shape and the surface finely wrinkled. There seems to be no appreciable 

 difference between the two sexes. 



11. Malacorhinus apicalis. 



Testaceous or pale fulvous, the antenna, knees, tibia, and tarsi black ; thorax scarcely visibly, the elytra , very 

 finely, punctured, each elytron with a subquadrate spot at the shoulder, a transverse one below the middle, 

 and the extreme apex, black. 



Var. The elytral spots larger and connected at the sides, and the apical spot placed at the suture. 



Length 2 lines. 



Eab. Guatemala, Zapote, Pantaleon, Mirandilla (Champion). 



It is somewhat doubtful whether M. apicalis represents a distinct species or is only a 

 variety of M. biplagiatus ; it differs from the latter in having a pale under surface (the 

 breast and part of the abdomen is slightly stained with piceous), testaceous (not black) 

 femora, and in the black apices of the elytra ; the thorax is also much less constricted 

 at the base. There are four specimens before me agreeing in the above particulars. I 

 am unable to say whether there is any difference between the sexes in regard to the 

 structure of the elytra or the antennae; the examples are possibly all females. 



12. Malacorhinus fulvicornis. 



Eeddish-fulvous'; antenna slender, fulvous ; tibia and tarsi black; thorax minutely punctured ; elytra more 

 distinctly and closely punctured, a narrow transverse band at the base, and a still narrower stnpe below the 

 middle, black. 



Length 2|-3 lines. 



Eab. Panama, Volcan de Chiriqui (Champion). 



The antenna? in the present insect are entirely fulvous and more than half the length 

 of the body, the joints being elongate and slender ; the third joint is one half shorter 

 than the fourth. The second transverse stripe of the elytra is very narrow and 

 straight, and is placed immediately below the middle, but does not quite extend to 

 either margin. The underside and the femora are reddish-fulvous. 



Two specimens only. _ 



