86 _ HEMIPTERA-HOMOPTERA. 
large, black, distinctly tricarinate; tegmina very shining, metallic green, strongly and closely asperate ; 
underside dark, variegated with testaceous; legs light yellow. 
The female with a very long ovipositor. 
Long. cum tegm. 54 millim.; lat. ad hum. 13 millim. ( 2.) 
Hab. Panama, Bugaba (Champion). 
Two specimens. This species is very unlike the others in general appearance, and 
may have to be separated from the genus Bothriocerodes. 
METABRIXIA, gen. nov. 
Capite pronoto angustiori; vertice a fronte carina transversé separato; oculis fere integris; fronte longa, 
sursum sensim angustata, carina centrali perdistincté, lateribus carinatis, ocello frontali magno; clypeo 
ad medium et ad latera carinato; pronoto brevissimo; scutello tricarinato; tegminibus tectiformibus, 
apicem versus sensim angustatis, pone clavum leviter dilatatis, venis radiali et ulnari exteriori ante 
medium furcatis ; pedibus longis, tibiis posticis spinis parvis variantibus instructis. 
Mas segmento ultimo ventrali processu parvo medio, stylis longis, apicibus plus minusve securiformibus. 
Head narrower than the pronotum; vertex separated from the forehead by a transverse keel; eyes large, 
almost entire, or very slightly flattened or minutely emarginate on their lower side; forehead and clypeus 
long, with a central carina, which is interrupted by the large ocellus, the sides carinate; pronotum very 
short; scutellum distinctly tricarinate; tegmina gradually widened towards the apex, tectiform, closely 
adpressed to the sides at rest, more or less dilated behind the clavus*; legs long, posterior tibie with one 
or two larger, and sometimes one or two smaller, spines. 
In general appearance the insects here included under the genus Metabrixia are 
closely allied to Brizia, Stal, and it is probable that many of the species now assigned 
to the latter genus will have to be transferred. St&l founded the genus Brixia (Ofv. 
Vet.-Ak. Férh. 1856, p. 162) to include a single species which he had described in 
the previous year as Derbe natalicola. In the ‘ Hemiptera Africana’ [iv. p. 175 (1865) | 
he places four species under it—the one just mentioned, and another which he had 
previously described as Delphax bohemani, and also Triopsis fasciata, Sigu., and Derbe 
lunulata, Am. et Serv. It is obvious, therefore, that Brizia gave him considerable 
difficulty, and his descriptions, moreover, of the genus are not quite consistent. In 
general facies the species described below (which are obscure and inconspicuous 
insects) would appear to resemble Brixia, but the transverse carina between the 
vertex and the frons, the almost entire eyes, the strong frontal and clypeal carine, and 
the one- or two-spined tibie sufficiently distinguish them, apart from the difference of 
locality—Brizia proper being, apparently, confined to the Old World. 
1. Metabrixia delicata, sp. n. (Tab. IX. figg. 23, 23 a.) 
Subpellucida, nitidiuscula, vertice testaceo ante oculos paullo producto, ad medium carinato ; fronte suturali 
testacea, carinis media et lateralibus dilutioribus; pronoto et scutello dilute testaceis, ad latera late 
* In one or two species this is not very evident, but it will be seen if a specimen of this genus and of 
Ciwius are compared side by side. The general facies of Metabrixia is easily recognized, although the actual 
differences are somewhat hard to define satisfactorily. 
