ITEMir'TF.RA IIKTEnoPTEP.A. o;).) 



lilack, slender, sli^ililly ])ul)escriit, not move llian half llie lennth of tlie 

 body ; (irst joint yellowish, not extending to the front of the head ; second 

 extremely short; third much longer than the fourth, which is longer than 

 the filth. Thorax with a smooth pale yellow dot on each side of the foie 

 part of the disk; sides pale yellow in front of the hind angles, which form 

 two black long acute slightly ascending and very stout spines. Scutellura 

 attenuated, extending soniewliat beyond the angle of tlie corium, with tw() 

 pale yellow marginal stripes, which are ahltreviated near the pale yellow 

 lip. Abdomen beneath with a strijie of black dots; two slout apical spines, 

 which are black towards their ti]is. Legs luteous, slender. Fore wings 

 along the costa reddish and towards the tips luteous, with a smooth pale 

 yellow subcostal dot near the tip; membrane hyaline. Length of the body 

 4 lines. 



In structure it resembles il/. Ypsilon, the type of all of the numerous 

 groups which are included in Mormidea ; some of these groups have been 

 formed into genera. 



a. Santareai. From Mr. Bates' collection. 



''W-va-v^x f Mormidea semialba. 



Albida, conferlixsime ct sublilissinie rufo-punctata, sublus alba; caput 

 niyricante punclatum, anlice quadratum ; anlcnna; articulis 4o cl i>o 

 dimidio apicali piceis ; thorax anlice albo marginalus, cornubu.t 

 longis talis subreciirvis subascendeiitibu.i ; scutcllum apice rolundatum 

 glabrum ; membrana diaphana, Shiga apicali nigra. 



Whitish, oval, very thickly and minutely punctured ; punctures red ; 

 under siile, rostrum, antennae and legs while. Head elongate, quadrate in 

 front, with blackish punctures. Eyes piceous, rather large and prominent. 

 Antennae, slender; second joint much longer than the third ; fourth and 

 fifth iiiceoiis for half the length of the tips ; fourth nearly as long as the 

 second ; fifth shorter. Thorax and scutelluni with a whitish impunctate 

 line. Thorax with a white smooth rim along each side in front of the 

 horns, which are long, broad, acute, obliquely ascending and recurved. 

 Scutellum attenuated towards the lip, which is rounded and smooth. Legs 

 slender. Membrane of the fore wings pellucid white, with a blackish 

 apical streak. Length of the body 4 lines. 



The structure of the horns of the thorax in this species distinguish it 

 as the type of a group in the genus, 

 a, b, Constancia, Rio Janeiro. Presented by the Rev. IL Clark. 



MoKMIDEA BASALIS. 



Cervina, subovata, dense et sublililer fttsco cnnspersa ; caput produclum, 

 lobo medio lobns laterales perpauUo superante ; anlennte leslacecc, cor- 

 poris dimidio breviores, apices versus nigra; thorax laicribus r.allisque 

 dvobns parvis antemediis lestaceis ; pedes testacei ; membrana cinereo- 

 cervina. 

 Fawn-colour, somewhat oval, thickly and minutely brown-puucturcd. 

 Head elongate, somewhat rostriform ; middle lobe extending very little 

 beyond the lateral lobes. Eyes piceous, prominent. Rostruiu extending 



