504 
CATALOGUE OF 
Page 349. 
Cataulax decoloratus. 
Luleus, lalus^ aspere et sparse fusco punctatus ; caput transverse striatum, 
antice rolundalum ; antennce picece, pubescenles, hasi lulea, articulo 
3o basi 2ogue rujis; thorax punctato-lineatus, fascia poslica pallidiore 
nigricante-punclata ; scutellum punctato.sublineatum, apice sub- 
acutum, abdominis apicem fere attingens ; pectus rufo biplagiatum ; 
venter e maculis rujis quadrivittatus ; alee anticce fusco suhlineatcc, 
membrana pellucida. 
Luteous, broad, nearly elliptical, roughly and thinly punctured; punc- 
tures mostly brown. Head transversely and finely striated, much rounded 
•in front; lobes of equal length. Eyes piceous, rather prominent. Rostrum 
extending to the hind coxae; tip brown. Anienn® piceous, pubescent, 
stout; first joint luteous, extendiug to the front of the head ; second dark 
red, much longer than the third, which is red at the base. Thorax with 
the punctures arranged in longitudinal lines, some of which are tortuous ; 
a broad paler band along the hind border with blackish punctures ; hind 
angles obtuse, not prominent. Scutellum almost extending to the tip of 
the abdomen, linear for a space beyond the middle and again contracted 
towards the tip, which is slightly acute ; some of the punctures forming 
four lines. Pectus with a large dark red patch on each side. Abdomen 
beneath with four irregular rows of elongated red spots. Legs stout. Fore 
wings with some brown lines, a few of which are incomplete and irregular; 
membrane colourless. Length of the body lines. 
a. Amazon Region. Presented by W. W. Saunders, Esq. 
Cataulax annclicornis. 
Flavus, latus, sat dense et aspere fusco punctatus, sublus testaceus ; caput 
antice rotundatum, lobis lateralibus conliguis lobum medium super- 
antibus ; antennce nigree, basi jiavee nigro conspersce ; scutellum ro- 
tundatum, abdominis apicem non attingens; pectus rufo biplagiatum ; 
abdominis latera nigro maculata ; pedes nigro conspersi ; membrana 
fuscescens. 
Yellow, broad, nearly elliptical, rather thickly and roughly punctured, 
testaceous beneath ; punctures brown. Head much rounded in front ; 
lateral lobes contiguous beyond the middle lobe. Eyes reddish, rather 
large and prominent. AutennEe rather slender; first and second joints 
speckled with black; first not extending to the front of the head; third 
black, yellow and speckled with black at the base, much longer than the 
second ; fourth and fifth black, pale yellow towards the base ; fourth some- 
what longer than the third, a little longer than the fifth, which is luteous 
at the tip. Thorax in structure like that of the preceding species. Scu- 
tellum not extending to the tip of the abdomen, mostly less thickly punc- 
tured about the base and about the tip, which is rounded. Pectus with a 
large red patch on each side of the hind part. Abdomen with black spots 
along each side; spiracles black. Legs stout; femora and tibiae speckled 
with black. Fore wings with some less thickly punctured spaces; mem- 
brane brownish. Length of the body 5^ lines. 
Amazon Region. In the National Museum at Melbourne. 
