114 HEMIPTERA-HETEROPTERA. 
Hab. Merxico!?, Orizaba?, Yucatan, Valladolid (Gaumer) ; GUATEMALA, Panima, 
Tamahu (Champion); Costa Rica, Cache, Irazu (Rogers). 
Two Yucatan specimens are figured. 
Var. 
Head, first and second joints of antenne, pronotum, scutellum, underside of body and legs pitchy. Abdomen 
above pitchy, with three transverse discal luteous fascie, the first of which is indistinct. 
Hab. Mexico (Mus. Holm.). 
3. Archimerus indecorus. (Tab. XII. fige. 4¢,5 2.) 
Archimerus indecorus, Walker, Cat. Het. iv. p. 64.177. 
Hab. Mexico! (coll. Sign., Mus. Holm.), Oaxaca4, Tejuca!; Guatemaa, Calderas, 
Duefias (Champion). 
A Mexican male and a Guatemalan female specimen are figured. The colour of the 
abdomen above is generally red, but sometimes pitchy. The general hue also varies 
towards melanism, as occurs in some species of most of the allied genera. 
4, Archimerus thoracicus, n. sp. (Tab. XII. fige. 73,82.) 
Fuscous, sparingly pilose, with a dull ochraceous subapical patch to corium. Antenne with the first joint a 
little longer than the second, third shortest, fourth incrassated, longer than third, but shorter than 
second. Pronotum with the lateral angles strongly produced, sinuated, and terminating subacutely at 
apex ; lateral margins finely denticulated, anterior third pilose and levigate ; disk strongly but sparingly 
granulose. Scutellum transversely and somewhat irregularly striate. Corium somewhat densely punctate, 
with the nervures prominent; membrane cupreous. Underside of body and legs concolorous; anterior 
and intermediate tibie and tarsi somewhat paler. 
é. Posterior femora strongly incrassated, outwardly armed with five strong spines, two of which are usually 
the longest and strongest, inwardly margined by less-developed spines, and provided with two or three 
obtuse tubercles above. Posterior tibie curved, slightly dilated, and armed inwardly with a spine about 
one third from apex. 
@. Abdomen broader and more dilated than in ¢. Posterior femora much less incrassated, and armed 
internally with an apical row of spines. Posterior tibie straight and simple. 
Long. 20-22 millim., lat. pronot. ang. 9-10 millim. 
Hab. Guatema.a, Purula, Sinanja valley (Champion). 
In the female specimens now before me all the tibie are paler in hue; and in both 
sexes the bases of the femora and third joints of the antenne are sometimes castaneous. 
The amount of incrassation of the posterior femora in the males is also a variable 
character. The dilated pronotal angles will alone sufficiently separate this very distinct 
species. 
