HEMIPTERA. 4J9 



posterior tibiae pitchy black ; tarsi black, with the basal half of 

 the first joint orange. Rostrum black. Antennae black, with the 

 base of the first three joints dull pitchy red. 



a. N. America. Presented by the Entomological Club. 



31. ALYDUS apicalis, n. s. 



A. piceus, opacus, pilosus, punctatus ; capite thoraceque utrinque 

 fulvis ; antennis testaceis, articulo basali nigro-lineato, ultimo 

 nigricanti. 3 . 

 Long. lin. 4. 



Head elongated, dull fulvous. Thorax with the disc nearly 

 black, thickly punctured ; the sides dull fulvous, impunctate, the 

 lateral margins blackish. Scutellum pitchy brown, very mi- 

 nutely punctured. Coriaceous portion of the elytra pitchy brown, 

 thickly and finely punctured; membrane brownish, semitrans- 

 parent. Abdomen above red, with the margins black, spotted 

 with yellow. Body beneath pitchy black. Breast with an in- 

 distinct reddish band on each side and with a white spot at the 

 base of the posterior legs. Thighs black ; tibiae testaceous, with 

 the apex black ; tarsi with the basal joint testaceous, black at the 

 tip, second and third joints black ; posterior legs wanting. Ros- 

 trum black. Antennae with the first three joints testaceous, 

 clothed with black hairs ; basal joint with two longitudinal black 

 lines on the upper surface ; apical joint blackish. 



a. St. John's Bluff, East Florida. Presented by E. Double- 

 day, Esq. 



Genus 4. EUTHETUS, n. g. 



Head triangular. Antennae rather more than half the length 

 of the body ; basal joint shorter than the head ; second joint a 

 little more than half the length of the first ; third joint nearly as 

 long as the first and second together; fourth joint longest. 

 Rostrum short, scarcely passing the anterior coxae; first and 

 second joints nearly equal in length; first joint very stout, nearly 

 as long as the head ; third joint shortest ; fourth shorter than 

 the first and second. Body of the form of Alydus. Legs long 

 and slender, especially the hinder pair, the thighs of which are 

 unarmed and the tibiae straight ; tarsi long and slender, the basal 

 joint forming two-thirds of the length of the whole tarsus. 



1. EUTHETUS pulchellus, n. s. PI. XIV. fig. 3. 



E, supra fuscescens, subtus niger ; elytrorum corio apice flavo ; 

 pectore utrinque maculis 2 flavis; abdomiue basi rufescenti, 

 fascia utrinque flava. ? . 

 Long. lin. 5. 



