HEMIPTERA HETEROPTERA. 4U9 



line along the middle part of the fore border and along each side. Pectoral 

 keel, ventral spine and legs pale test;:ce(iiis. l-'(»re wings with a Itroad 

 irregular pale testaceous streak in the disk; nieinliraue cinereous. Length 

 of the body 5^ — 6 lines. 



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



6, c. New Guinea. Presented by W. W. Saunders, Esq. 



Genus 80. EALDA. 



Corpus longi-ovatuin. Caput productum; lobi jEquales. Rostrum 

 validutn, coxas poslitas aitingens. Antennse graciles, corporis dimidio vix 

 breviores; articulus Ins capitis frontein non attingens. Thorax antice 

 glaber; spins laterales crassae, acutae, longissiniie, subascendentes. Scu- 

 telluin ai)ice atteuuatum. Pectoris canua sulcata. Abdomen apice 

 bispinosum ; spina ventralis coxas posticas uttingeus. Pedes graciles; 

 tarsi triarticulati. 



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

 slout, extending lo the hind coxffi, received between the fore coxae and the 

 hind coxas in the groove of the double pectoral keel. Antennae slender, 

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

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

 the third; tiftli shorter than the fourih. Thorax mostly smooth in front; 

 hind angles forming two acute very long and stout slighily ascending 

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

 which extends from the fore coxa? to the hind coxeb. Abdomen with two 

 long stout acute apical spines; ventral spine extending to the hind coxeb. 

 Legs slender; larsi three-jointed. 



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

 which it differs widely in other characters. 



I. Ealda mixax. 



Testacea, rudefusco punctata; caput nigricante-viridi quadrifasciatum ; 

 antenncB nigra trifasciatte ; thorax fusco nebulosus, spatio urttico 

 transversa glabra, splnis nigricanlibus apice rufescenlibus ; scutellum 

 ni(/ricante uniplagiatum ; pectus viridi plagialum; venter viridi 

 bivitlatus ; membrana aneo-fusca. 



Testaceous, roughly punctured ; punctures brown. Head with four 

 blackish green stripes. Third, fourth and (ilih joints of the antennae biaik 

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

 transverse space in front; sj)ines blackish, reddish towards the tips. 

 Scutellum with a blackish patch on llie fore border. Pectus with some 

 metallic-green patches. AImIouumi I)pneath with two very irregular green 

 stripes. Membrane of the foie uings ;cneous-bro\vn. Length of tiie body 

 5^ lines. 



a, b. New Caledonia. From Mr. Macgillivraj's collection. 



