NOTE. 



Genus 21. GILVA. 



The description of this genus in page 141 is defective, and the fol- 

 lowing may be substituted. 



Corpus ellipticum, convexiim, nitens, punclatuni. Caput lateribus 

 anticis subreflexis, lobis lateralibus lobum medium vix siiperautibus. Oculi 

 magni, extensi. Rostrum valiilum, coxas intermcdias allingens. Antenna; 

 graciles, corpore breviores; artieulus lus brevissimus ; 2us conipressus ; 

 4us 3o Soque longior. Thoracis auguli poslici extensi, non acuniinali. 

 Scutellum apice rotundatum. Pedes robusti, setosi ; tibia3 sulcata) ; tibiae 

 anticae apices versus subdilatata?. 



Body elliptical, convex, shining, rather largely and thinly punctured. 

 Head much shorter than the thorax, and hardly one-third of its breadth, 

 slightly reflexed on each side in front; lateral lobes hardly extending be- 

 yond the middle lobe. Eyes large, prominent. Rostrum stout, extending 

 to the middle coxa3. Antennas slender, minutely pubescent, much more than 

 half the length of the body; first joint very short; second flat; third as 

 long as the second ; fourth much longer than the third ; fifth shorter than 

 the fourth. Thorax with a very slight transverse furrow near the fore 

 border; hind angles prominent, but without spines. Scutellum rounded 

 towards the tip. Legs stout, setose; tibiae furrowed; fore tibia) slightly 

 dilated towards the tips. 



The spines of the thorax and the veulral spine of Hoploxys distin- 

 guish it from this genus. 



1. GiLVA VARtPES. 



Rufa, subtus pallide lutea ; caput antice teslaceum, strigis duahus latera- 

 libus nigris ; rostrum nigrum, basi luteum ; thorax maculis duabus 

 angulisqne posticis nigris; scutellum maculis duabus anticis strigis- 

 que duabus subapicalibus nigris; ventris lalera nigra maculata ; 

 pedes nigra ciucli et villati, membrana cinerea, basi nigra. Var. (3. 

 — Thoracis et scutelli macula: subobsoletie ; scutellum basi nigra bi- 

 punclatum, apice albo marginatum. 



Red, pale luteous beneath. Fore part of the head testaceous, with a 

 black streak on each side. Rostrum black, except towards the base. An- 

 tenna) black; second joint pale luteous towards the base. Thorax with two 

 black spots near the hind liordcr ; hind angles Idack. Scutellum with two 

 black spots near the fore border and with a short black streak on each side 

 towards the tip. Abdomen with black spots along each side. Femora with 

 a black band near the tip ; fore femora mostly black above ; tibia) striped 

 with black ; tarsi black. Membrane of the fore wings cinereous, black at 

 the base. Var. (3. — Spots on the thorax and on the scutellum almost obso- 

 lete. Scutellum with a black point on each angle at the base, bordered with 

 wiiite at the lip. Length of the body 3^ lines. 



a, b. Amazon Region. From Mr. Bates' collection. 



