598 
Group 2. Arista perlonga. Arista very long. 
181. BrrHoscoPus BIARCUATUS, n. s., foem. Albido-testaceus, vertice scutoque 
linea transversa arcuata rufa, alis anticis macualis duabus eostalibus exteri- 
oribus apiceque fuscis, posticis subhyalinis pallido-venosis. 
Female. Whitish-testaceous. Head arched , about four times broader than long, 
a little more convex in front than concave behind. Vertex and scutum each 
with a transverse red arched line. Arista about three-fourths of the length 
of the body. Fore wings with brown tips, and with two exterior brown 
costal spots. Hind wings nearly hyaline, with brown tips. Length of the 
body 22 lines; of the wings 54 lines. 
182. BrrHoscOPus LAETISIGNA, D. $., mas. et feem. Cinereo-cupreus subtus 
cinereus, ecapitis linea antiea thoracis fascia antica interrupta arcuata macu- 
lisque posticis ochraceis, tibiis anticis ochraceis, alis eupreo-hyalinis, anticis 
costa ochracea maculis duabus exterioribus costalibus apiceque nigro-fuscis. 
Male and Female. Cupreous, with a cinereous tinge; cinereus beneath. Head 
with an ochraceous line in front of the vertex. Arista about half the length 
of the body. Thorax with an arched interrupted ochraceous band and some 
hinder ochraceous spots. Fore tibiee and tips of the fore femora ochra- 
eevus. Wings cupreous-hyaline. Fore wings with the eosta and the interior 
border ochraceous, with two ezterior blackish-brown eostal lines, with blac- 
kish-brown tips, and with a blackish-brown dot by the interior border, Length 
of the body 3 lines; of the wings 7 lines. 
183. BrrHosCOPUs NIGKRILINEA, n. s. Aeneo-fulvus, capite lineis duabus trans- 
versis nigris, alis anticis seneo-luridis, guttis tribus apud marginem postieum 
nigris. 
Aeneous-tawny. Iead with two black transverse lines. Arista a little more 
than half the length of the body. Wings lurid, with an zeneous tinge; in- 
terior border of the fore wings with three black dots. Length of the body 
21 lines; of the wings 6 lines. 
184. ByrHoscoPus IGNICANS, n. s. Ochraceous subtus testaceus, scutello albo, 
alis anticis guttis discalibus maculisque marginalibus albis , maenlis apicalibus 
fuscis, posticis cinereis. 
Ochraceous, testaceous beneath. Arista longer than the body. Seutellum white. 
Legs testaceous. Fore wings with white brown-bordered discal dots, and with 
some white spots or the costa and on the interior border; disk of the ex- 
terior areolets brown. Hind wings grey. Length of the body 1% line; of the 
wings 4 lines. 

