346 Mr. Bridgman's additions to T. A. Marshall's 



red; middle tarsi brown. Wings: base, squamula, stigma, and 

 nervures brown ; areolet petiolated ; recurrent nervare received 

 before the middle ; transverse anal subgeniculated about one-third 

 from the bottom ; no emitting nervure. Male. Length, 9*5 mm. 



Taken by Mr. Harwood. 



Campoplex costulatus, n. s. 



Abdominis medio rufo ; pedibus maxima ex parte flavis ; fronte 

 costata. ^ . 



Third segment of abdomen not concave beneath, with a lateral 

 black streak ; interstices of mesopleura reticulate ; vertical ridge 

 behind front coxae very fine. Face dull, rough, not distinctly 

 punctate, pubescent ; mandibles yellow ; palpi pale red ; forehead 

 dull and granular, with a prominent central keel, and radiating 

 from the base of the antennae five or six prominent costae extending 

 about half the distance to the anterior ocellus ; sides of head 

 behind the eyes obhque. Thorax : mesonotum finely punctate, 

 interstices reticulate ; scutellum marginated to the apex, punctate, 

 punctures rather large and scattered, interstices almost smooth; 

 metanotum somewhat shining, upper part with faintly impressed 

 punctirres, lower part transversely rugose ; sculpture not prominent ; 

 supero-external area distinctly defined within, area dentipara 

 scarcely defined below, depression in the middle moderate ; sides 

 of metathorax punctate ; mesopleura moderately punctate, inter- 

 stices reticulate ; disc longitudinally aciculate ; behind the front 

 coxae a fine vertical line. 



Abdomen : 1st segment slender, tapering fr-om the middle to the 

 apex, widest part just before the apex ; spfracles not promment ; 

 2nd and 3rd segments of equal length ; 3rd segment slightly con- 

 vex below ; abdomen somewhat finely pubescent and punctate ; 

 2nd segment clear red, apex above and lateral streak black ; 3rd 

 clear red, with a lateral streak just below the level of the spiracle; 

 4th red, apex black ; ventral segments the same colour. Legs 

 yellow; base of front and middle coxae brownish red; front and 

 middle femora inclining to red ; hind coxae, trochanters, femora, 

 black; base and apex of hind tibiae and hind tarsi brownish. 

 Wings : base and squamulte reddish yellow ; stigma brownish red ; 

 nervures brown ; areolet very shortly petiolated ; recurrent ner- 

 vure received before the middle ; transverse anal almost straight, 

 obscurely divided not far below the middle ; emitting nervure 

 almost indistmct. Male. Length, 11 mm. 



One specimen taken by Mr. Harwood. 



