154 H EMITTER A. 



Genus 1. PLATYCORIS. 



Platycoris, Gu&in, Voy. Coq. Zool. ii. Ins. 169 (1830); Am. <V 

 Serv. Hem. 113 (1843). 



1. PLATYCORIS rubromarginatus. 



Platycoris rubromarginatus, Guer. Voy. Coq. Zool. ii. Ins. 169. 

 Ail. pi. 11. fig. 16 (1830); Am. fy Serv. Hem. 114. 1 (1843). 

 a. New Holland. Presented by Sir John Richardson, M.D. 



2. PLATYCORIS affinis, n. s. 



P. prgecedenti valde affinis : differt praecipue abdominis margini- 

 bus fulvo nigroque variegatis. cT 9 . 

 Long. <? lin. 4|, ? lin. 5. 



This species approaches the preceding very closely in form, 

 size and general colouring, but the margins of the abdomen have 

 a strong black band at the junction of each of the segments. 

 The scutellum is broader and more rounded at the apex, and the 

 spine at the base of the antennae much larger than in the pre- 

 ceding species. 



a. New Holland. 



b. Van Diemen's Land. 



3. PLATYCORIS immarginatus, n. s. 



P. niger, punctatus ; thoracis angulis anticis, elytrorum margine 

 basi, pedibusque fulvis, geniculis, tibiis anticis, tibiamm 4pos- 

 ticarum apicibus, tarsisque nigris ; antennis nigris, articulis 2 

 ultimis basi albidis. 

 Long. lin. 4. 



Black, somewhat opaque, thickly and finely punctured. Head 

 pitchy black. Thorax, scutellum and elytra pitchy black, sprin- 

 kled with small whitish warts ; thorax with the anterior angles 

 dull yellowish orange, the lateral margins slightly denticulated ; 

 elytra with a small portion of the outer margin at the base dull 

 yellowish orange. Margins of the abdomen black, with a sma 

 yellowish streak on each segment at the extreme edge. Body 

 beneath deep black, somewhat opaque, very finely and rather 

 sparingly punctured. Breast with a dull yellowish patch at the 

 base of each of the legs. Legs yellowish orange, with the tip 

 of the thighs, the anterior tibise entirely, the remainder at bas 

 and apex, and the tarsi, black. Rostrum with the two b 

 joints dull yellow, the rest black. Antennae black, with the 1 

 of the two apical joints yellowish white. 



The two specimens in the Museum, although both females 

 differ considerably in form, the one being rather elongate ovat< 

 the other broad and rounded. They differ also in the develop 



