122 CATALOGUE OF 
front of the hind angle, the other very near the fore border. Scutellum 
with a testaceous spot on each side of the fore border, and with a testaceous 
apical spot. Abdomen beneath with a testaceous patch at the base, and 
with two large testaceous spots on each side. Length of the body 43 lines. 
Perhaps a local variety of O. basalis. 
a. Cuenca, Province of Equador. From Mr. Fraser’s collection. 
19. OpLomMuUS BASALIS. 
Niger, nilens ; caput testaceo bivitlatum ; scutum vitta abbreviata strigulas 
duas capitatas emittente maculisque quatuor lateralibus lestaceis ; 
seutellum maculis duabus anticis apiceque lestaceis ; pectus lestaceo 
octo-maculatum ; venter plaga basali maculisque quatuor lateralibus 
testaceis ; femora posteriora basi testaceo strigata ; ale antice corto 
apice testaceo. 
Black, smooth, shining, minutely punctured. Head with the lateral 
lobes testaceous. Scutum with an abbreviated testaceous stripe which 
emits a capitate testaceous streak on each side in front; two testaceous 
spots on each side, one obliquely in front of the other which occupies the 
hind angle. Scutellum with a testaceous spot on each side at the base, 
and with a larger testaceous apical spot. Pectus with four testaceous 
spots on each side. Abdomen beneath a large testaceous patch at the 
hase, and with two testaceous spots on each side. Posterior femora with 
a testaceous streak near the base. Corium of the fore wings with a testa- 
ceous apical spot. Length of the body 4% lines. 
It may be connected with O. tripustulatus by intermediate local forms. 
In the latter, the hind angles of the thorax are wholly black. 
a. Ega. From Mr. Bates’ collection. 
Africa. 
20. OpLomus LINEATUS. 
Niger, subtus cyaneo-niger ; capitis lobi laterales lobum intermedium su- 
perantes ; thoracis latera antica luteo marginata ; abdomen maculis 
lateralibus vittulaque ventralt luteis; pedes breves, robusti; ale 
anlice membrana nigra, 
Black, oval, slightly shining, rather largely punctured, bluish black 
and more shining beneath. Head more than one-third of the breadth of 
the thorax ; lateral lobes longer than the middle Jobe. Antenne setulose ; 
second joint longer than the fourth and much longer than the third. 
Thorax with a Juteous line on each side in front. Abdomen with luteous 
marginal dots; under side with a short Juteous stripe, which emits two 
branches. Legs short, stout, minutely setulose. Fore wings with a black 
membrane. Length of the body 44 lines. 
It differs much in aspect from the American species of the genus, 
a. Abyssinia. Presented by the Secretary for Indian Affairs. 
Country unknown, 
21. Opromus vEenTRaALIs, C. H. 86. 
a, ———? From Mr. Children’s collection, 
