SINALOA.— CALOTETTIX. 30$ 



1. Sinaloa behrensi, Scudd. (Tab. IV. %g. 11, 11 a-c, <s .) 



Sinaloa behrensi, Scudd. Proc. U.S. Nat. Mus. xx. p. 40, t. 3. fig. 7 (1897) \ 

 Hob. Mexico, Sinaloa 1 , Mazatlan (Forrer). 



The insect ( <s ) from Mazatlan which has been determined as this species has the 

 hind tibiae coral-red, instead of " fiavous or fiavo-testaceous " as described by Scudder. 



CALOTETTIX, gen. nov. 



This Melanoplid genus approaches Sinaloa, Scudder, and Paraidemona, Brunner, but 

 differs from both of them in the characters as set forth in the synoptic table of the 

 genera (antea, p. 219). Four species are represented in the material studied, 

 C. bicoloripes being taken as the type. They may be separated as follows : — 



Synopsis of the Species of Calotettix. 



A 1 . General colour bright yellowish-green, conspicuously marked with 

 flavous. Hind femora not banded with fuscous. 

 b 1 . Lateral pale bands of the disc of the pronotum continuous to its 

 hind margin ; hind tibiae with the apical two-fifths red ; hind femora 



not varied with yellow „ 1. bicoloripes, sp. n. 



b 2 . Lateral pale bands of the disc of the pronotum terminating at the 

 last transverse sulcus ; hind tibiae with the apical five-sixths ted ; 



hind femora varied with yellow 2. flavopictus, sp. n. 



A 2 . General colour brownish- olive or wood-brown, not conspicuously 



marked with flavous. Hind femora more or less conspicuously 



banded with fuscous. 



b l . Abdomen faintly carinate above. Hind tibiae and tarsi basally 



verditer-blue, the apical portion and tarsi scarlet-vermilion. The 



hind femora on inner face showing dusky bands 3. brevispinis, Kehn. 



b' 2 . Abdomen rather strongly carinate above. Hind tibiae and tarsi for 

 the most part coral-red. The upper edge of hind femora showing 

 faint transverse fuscous bands 4. obscurus, sp. n. 



1. Calotettix bicoloripes, sp. n. 



Rather robust, the hind femora slightly surpassing the tip of the abdomen. 



General colour yellowish-green, varied on the head and pronotum with flavous. Hind tibiae basally glaucous, 

 apically and the tarsi carmine. 



Head moderately large, as wide as, or a trifle wider than, the front edge of the pronotum, in which it is sunk 

 almost to the eyes ; occiput gently ascending above the plane of the pronotum ; vertex narrow, no 

 broader than the diameter of the second antennal joint, sulcate, the fastigium depressed, blunt ; frontal 

 costa prominent, a little more than twice as wide as the vertex between the eyes, coarsely punctate 

 above, sulcate below the antennae, continuous to the clypeus, its lateral carinas coarse ; lateral carinas of 

 the face prominent, rather strongly divergent, straight ; eyes large, prominent, elliptical, nearly double 

 the length of the cheeks below them ; antennas filiform, as long as the head and thorax combined. 

 Pronotum subcylindrical, slightly expanding on the hind lobe, the surface glabrous, but more or less 



