24 CATALOGUE OF 
basalibus gultisque duabus apicalibus ochraceis ; pedes nigri, femori- 
bus basi ochraceis. 
Ochraceous. Head black, metallic-green beneath. Antenne piceous ; 
first joint tawny at the base; fourth pale testaceous towards the base. 
Thorax and scutellum thickly and minutely blackish-speckled. Thorax 
with a broad much abbreviated band on the hind border, undulating in 
front. Scutellum with three black spots on each side, the middle pair 
larger than the others. Pectus black, ochraceous about the base of the 
legs. Abdomen beneath black, with three transverse ochraceous spots near 
the base and with an ochraceous dot on each side at the tip. Legs black ; 
femora towards the base and coxe ochraceous. Wings brown; costa of 
the corium black. Length of the body 8 lines. 
a. ? 
18. TETRARTHRIA MESOZONA. 
Purpurea, fusiformis ; caput nigro univittatum ; thorax nigro trivittatus, 
carina transversa angulata; scutellum lividum, carina transversa 
abbreviata, fascia nigra latissima fasciam purpuream includente ; 
abdomen subtus lividum, basi apiceque nigrum. 
Purple, fusiform, very slightly and minutely punctured. Head with 
two slight parallel furrows and with a black stripe. Antenne black, four- 
jointed ; first joint not extending beyond the front of the head. Thorax in 
front much narrower and with a deeply angular transverse ridge; three 
black stripes. Scutellum livid, with an abbreviated transverse basal ridge, 
and with a very broad middle black band, which includes a narrow purple 
band. Abdomen beneath livid, black towards the base and at the tip. 
Legs and wings black. Length of the body 9 lines. 
? Presented by W. W. Saunders, Esq. 
a. 
19. TETRARTHRIA FLAGRANS. 
Aureo-viridis; antenne nigra, articulo lo viridi; thorax maculis 
duabus lateralibus cupreis diffusis;  scutellum plagis duabus 
cupreis magnis, spatio apicali cyaneo -viridi lateribus purpureis ; 
abdomen subtus purpureum, vittis duabus flavescentibus sub- 
dentatis, segmentis aureo-viridi marginatis ; pedes virides, femoribus 
basi fulvis, tarsis nigris. 
Golden green, fusiform, minutely punctured. Head with two longi- 
tudinal furrows, which diverge towards the face and between the eyes and 
converge towards the hind border. Antenne black; first joint green; 
second much more than half the length of the first. Thorax roughly 
punctured along the fore border, and with a slight roughly punctured 
transverse furrow; a large diffuse cupreous spot on each side. Scutellum 
with a slight transverse furrow, which is curved on each side to the base; 
a large cupreous patch on each side; apical part bluish green, purple along 
each side. Abdomen beneath purple, with a golden green band on the 
hind border of each segment, and with a yellowish slightly dentate stripe 
along each side. Legs green; femora at the base and coxe tawny; tarsi 
black. Length of the body 83 lines. 
a. ? Presented by W. W. Saunders, Esq. 
