HEMIPTERA HETEROPTKRA, 409 



line along the iniddle part of the fure border and along eacb side. Pectoral 

 keel, ventral spine and legs pale testiceous. I'Ore wings with a bruad 

 iiieguiar pale testaceous streak in the disk; membrane cinereous. Length 

 of the body 5^—6 lines. 



a. Aru. Presented by W. W. Saunders, Esq. 



^, 0. New Guinea. Presented by W. \V. Saunders, Esq. 



Genus 80. EALDA. 



Corpus longi-ovatum. Caput producluni ; lobi aequales. Rostrum 

 %'alidum, coxas posticas altingens. Antenna graciles, corporis dimidio vix 

 breviores; articulus 1 us capitis frontein non attingens. Thorax antice 

 glaber; spina; laterales crassas, acutae, longissiinie, subascendentes. Scu- 

 lellum aj)ice alteuuatum. Pectoris carina sulcata. Abdomen apice 

 bispinosum ; spina ventralis coxas posticas altingens. Pedes graciles; 

 tarsi triavliculati. 



Body elongate-oval. Head elongate; lobes of equal length. Rostrum 

 stoul, extending lo the hind coxeb, received between the fore coxae and the 

 liind coxic in the groove of the double pectoral keel. AntenntB slender, 

 nearly half the length of the body; first joint not extending to the front of 

 the head; second rauuh longer than the third; fourth a little longer than 

 the third; Hftii shorter than the fjunh. Thorax mostly smooth in front; 

 hind angles forming tsvo acute very long and stout slightly ascending 

 spines. Scutellum attenuated towards the tip. Pectus with a double keel, 

 which extends from the fore coxje lo the hind coxic. Abdomen with two 

 long stoul acute apical spines; ventral spine extending to the hind coxjb. 

 Legs slender; larsi three-j.iinled. 



In the double pectoral keel this genus agrees with Diploslira, from 

 which it diflcrs widely in other characters. 



1. Ealda mixax. 



Testacea, ritdefusco punctata ; caput nigricante-viridi quadri/asciatum ; 

 aniennce nigra Irifasviata ; thorax fusco nebulosia, spalio unlivo 

 transnerso gluLro, spinis nigricanlibus apice rufescentibus ; scutellum 

 nhjricanle uniplugialum ; pectus viridi plagiatum; venter viridi 

 bivillatus ; membrana ceneo-fusca. 



Testaceous, roughly punctured ; punctures brown. Head with four 

 bhickish green stripes. Third, fourth and lillh joints of the antennae blatk 

 towards the lips. Thorax slightly clouded with biown, with a smooth 

 transverse space in front; sjiincs blackish, reddish towards the lijis. 

 Scutellum with a blackish paich on the fore border. Pectus with some 

 melallic-green patches. AlHiomen beneath with two very irregular green 

 stripes. Membrane of the fore wings anieous-brown. Length of the body 

 b\ lines. 



a, b. New Ciledoniu. Fium .Mr. Jlacgiilivra^'s colleclioii. 



