TITUBGA. 65 
TITUBEA (p. 26). 
Titubea mutabilis (p. 27). 
To the localities given, add :—Mexico, La Noria in Sinaloa, Ventanas in Durango, 
Acapulco, Iguala, Chilpancingo in Guerrero (Hége), San Miguel, Playa Vicente,. 
Oaxaca, El Cameron, Cordova, Juquila (Sallé), Atoyac in Vera Cruz, Cuernavaca (Hi. #1. 
Smith), Temax in North Yucatan (Gawmer); Guatemaza, Capetillo (Champion). 
In some specimens from Mexico the black colour of the elytra predominates to such 
an extent as to leave only the shoulders and a small apical spot fulvous; all the 
specimens from Yucatan are smaller in size. 
Titubea rufifrons (p. 27). 
_ To the Mexican locality given, add:—El Cameron (Sallé), Atoyac in Vera Cruz 
(1. H. Smith). 
As already remarked, 7’. rujifrons and T. mutabilis may be but varieties of the same 
species ; even the additional material since received does not enable me to separate 
these insects satisfactorily, the different specimens varying considerably in coloration 
and also in punctuation. The male of 7. rujifrons differs from that of T. mutabilis, as 
a rule, in general colour and in the want of the transverse elytral band; but the 
females of both are alike and cannot be separated. I may further add that the 
cedeagus of the male in the two insects is similar. 
Titubea sphacelata (p. 27). 
To the locality Mexico, add :—Cuernavaca (Saldé). 
Titubea sanguinipennis (p. 27). 
To the localities given, add :—Mexico, Tapachula in Chiapas (Hodge); Guatema.a, 
Escuintla, Capetillo, Panzos, Teleman (Champion); Panama, Volcan de Chiriqui 
(Champion). 
It is quite possible that the specimen figured as the male of this insect (Tab. II. 
fig. 16) in reality represents a closely allied but distinct species. Several other males, 
as well as a good many females, since received seem at first sight to be totally different 
in coloration. to the typical form of 7’. sanguinipennis (Tab. II. fig. 17); and I should 
regard these as certainly distinct, if I had not intermediate examples before me which 
_it is impossible to refer with certainty to either of the two forms. In nearly all the 
specimens from Panzos, the city of Guatemala, and Zapote, and in the one from 
Chontales, the upper surface is pale fulvous; the thorax has either a transverse black 
basal band or spots; the elytra have one or two basal spots of variable size and a 
narrow black band (generally constricted at the suture) below the middle; and the 
BIOL. CENTR.-AMER., Coleopt., Vol. VI. Pt. 1, Suppl., November 1888. k 
