118 CATALOGUE OF 
73. PIRATES DECISUS. 
Fem. Fulvus, subtus niger; caput longi-conicum, prothoracis lobo 
antico brevius, collo bituberculato ; antenne capite et prothorace ad 
unum longiores; scutellum et abdomen nigra; spina pectoralis bene 
determinata; ale antice nigra, maculis duabus plagaque, intermedia 
luteis. 
Female. Tawny, elongate-subfusiform. Head elongate-conical, shorter 
than the fore lobe of the prothorax; ante-ocular part full twice as long as 
the post-ocular; a tubercle on each side of the neck. Antenne setulose, 
rather longer than the head and the prothorax together; first joint much 
shorter than the second; third longer than the second; fourth a little 
shorter than the second. Fore lobe of the prothorax with distinct furrows, 
nearly thrice as long as the hind lobe. Propectus with a long acute 
retracted spine. Scutellum black, compressed and slightly rising at the tip. 
Pectus, abdomen, coxe and wings black. Spongy furrows of the fore 
tibie a little shorter than the latter. Fore wings with a luteous spot near 
the base, with a luteous patch in the middle, and with a luteous apical spot. 
Length of the body 93 lines. 
a. North Bengal. From Lieut. Campbell’s collection. 
6, Hindostan. Presented by W. W. Saunders, Esq. 
74, PIRATES INSTABILIS. 
Mas. Luteus; caput conicum, nigricante biplagiatum, prothoracis lobo 
antico paullo brevius; antenne capite et prothorace ad unum 
longiores; scutellum et abdomen nigra, hujus latera lutea; ale 
antice nigra, flavo uniplagiate. Var? Fem.—Nigra ; antennarum 
articulus lus pedesque lulei. 
Male. Luteous, smooth, shining, elongate-subfusiform. Head conical, 
with a blackish patch on each side, a little shorter than the fore lobe of the 
prothorax ; ante-ocular part much longer than the post-ocular. Antenne 
setulose, rather longer than the head and the prothorax together; first joint 
hardly more than half as long as the second; third a little longer than 
the second; fourth as long as the second. Fore lobe of the prothorax 
nearly twice as long as the hind lobe; furrows not apparent, except the 
hind part of the middle one. Scutellum black, nearly equilaterally tri- 
angular, compressed and slightly elevated at the tip. Abdomen black, 
luteous along each side. Spongy furrow of the fore tibie less than half 
as long as the latter. Fore wings black, with a yellow patch near the 
base. Var.? Female.—Black. First joint of the antenne luteous, rather 
more than half as long as the second; third a little shorter than the 
second; fourth a little shorter than the third. Fore lobe of the prothorax 
with distinct furrows. Legs luteous. Length of the body 6}—7 lines. 
a. North Bengal. From Lieut. Campbell’s collection. 
b. Hindostan. 
