564 CATALOGUE OF 
Page 349. 
CaTauLAX DECOLORATUS. 
Luteus, latus, aspere et sparse fusco punctatus ; caput transverse striatum, 
antice rotundatum; antenne picee, pubescentes, basi lute, articulo 
30 basi 2oque rufis; thorax punctato-lineatus, fascia postica pallidiore 
nigricante-punctata; scutellum punctato-sublineatum, apice sub- 
aculum, abdominis apicem fere attingens ; pectus rufo biplagiatum ; 
venler e maculis rufis quadrivittatus ; ale antice fusco sublineate, 
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 coxe; tip brown. Antenne piceous, pubescent, 
stout; first joint luteous, extending 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 63 lines. 
a. Amazon Region. Presented by W. W. Saunders, Esq. 
CATAULAX ANNULICORNIS. 
Flavus, latus, sat dense et aspere fusco punctatus, sublus testaceus ; caput 
antice rotundatum, lobis lateralibus contiguis lobum medium super- 
antibus; antenne nigra, basi flave nigro consperse ; scutellum ro- 
tundatum, abdominis apicem non atlingens ; pectus rufo biplagiatum ; 
abdominis latera nigro maculata ; pedes nigro conspersi ; membrana 
Suscescens. 
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. Antenne 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 bind part. Abdomen with black spots 
along each side; spiracles black. Legs stout; femora and tibia speckled 
with black. Fore wings with some less thickly punctured spaces; mem- 
brane brownish. Length of the body 53 lines. 
Amazon Region. In the National Museum at Melbourne. 
