HEMIPTERA HETEROPTERA. 
103 
168. Rhyparochromus nigriceps, C. H. 577. 
Plociomera nigviceps, Stal, Ofv. K. V. Ale. Fork. 1870, 663. 
Philippine Isles. 
a — c. Sandwich Islands. Presented by the Lords of the Admiralty. 
169. Rhyparochromus delineatus. 
Fcem. Niger , gracilis; rostrum coxas intermedias allingens; antennee 
corporis dimidio paullo long lores, articulo 4 o basi testaceo ; pedes 
teslacei, femoribus nigris basi testaceis, libiis apice nigris ; corium 
fuscum, vitta costali apicem versus dilalata viltula discali linen 
posteriore gutlisque duabus testaceis; membrana fusca, lineis albidis 
undulatis. Var. (3. — Corium testaceo slrigatum. 
Female. Black, slender, in structure like R. armipes. Head trian- 
gular. Eyes slightly prominent. Rostrum testaceous, extending to the 
middle coxae. Antennae a little more than half the length of the body ; 
first joint about half the length of the head ; second shorter than the head ; 
third as long as the seeoud ; fourth testaceous towards the base, a little 
longer than the second. Prothorax elongate, narrower in front, with a 
strongly-marked transverse furrow. Legs testaceous ; femora black ; hind 
femora testaceous towards the base; four anterior femora testaceous at the 
base; fore femora incrassated, spinulose beneath ; tibiae black at the tips. 
Wings extending to the tip of the abdomen. Corium of the fore wings 
brown, with a testaceous costal stripe which is dilated towards the tip, with 
a shorter testaceous stripe in the disk, and with a posterior testaceous line ; 
two testaceous dots near the exterior border; membrane brown, with 
whitish undulating veins. Var. (3. — Corium with more testaceous streaks. 
Length of the body 3.1 — 3£ lines. 
This and the seven following species are of the group Beosus. 
a. Ceram. Presented by W. W. Saunders, Esq. 
b. Celebes. Presented by W. W. Saunders, Esq. 
170. Rhyparochromus descriptus. 
Foem. Niger , longi- ellipticus ; rostrum testaceum, coxas posticas altingens ; 
antennee testacece, corpore mullo breviores ; prothoracis latcra lestacca 
subrejlexa ; venter apicem versus rufus ; pedes fulvi, longiuscu/i, 
femoribus piceis ; corium obscure fuscum, testaceo trimaculatum el 
unilinealum ; membrana cinerea, fuscescente ncbulosa. 
Female. Black, elongate-elliptical. Head nearly triangular. Eyes 
slightly prominent. Rostrum testaceous, extending to the hind coxae. 
Antennae testaceous, slender, much shorter than the body; first joint as 
long as the head; second longer than the first; third a little longer than 
the first. Prothorax with slightly elevated very narrowly testaceous sides ; 
a well-defined transverse furrow near the fore border. Abdomen red 
towards the tip beneath, where the two apical segments are retracted in the 
middle. Legs tawny, slender, rather long; femora piceous; fore femora 
