SYSINAS.—-ZOPYRUS. 249 
2. Sysinas audens, n. sp. (Lab. XXIV. fig. 25.) 
Head, antennew, and anterior area of pronotum black; basal area of pronotum and bases of scutellum and 
corium rosy red; scutellum and corium black, the last with the lateral margins luteous; cuneus 
luteous, its inner half and apex black; membrane blackish, the apical margin pale; head beneath, basal 
joint of rostrum, pro- and mesosternums, cox, and legs luteous ; apical portion of rostrum and apices of 
tibize (posterior tibie broadly) and the tarsi fuscous; a marginal anterior spot on each side of the pro- 
sternum (behind the eyes), two discal spots to mesosternum, metasternum, and abdomen blackish. 
The eyes in this species are very large, the pronotum and corium punctate as in the preceding species, and the 
corium is finely and somewhat indistinctly pilose. 
Long. 54-6 millim. 
Hab. Panama, San Lorenzo (Champion). 
Found within the flowers of Arums growing in the virgin forest (Champion). 
3. Sysinas clarus, n. sp. 
Head, pronotum, sternum, rostrum, and legs luteous; antenne, scutellum, corium, eyes, apical portion of 
rostrum, an upper streak to anterior femora, a subapical annulation to intermediate and posterior femora, 
basal and median annulations to tibie (those of the anterior tibize indistinct) and tarsi bluish black ; base 
of the first joint of antennz luteous; membrane pale hyaline, with the cellular areas blackish. 
The pronotum and corium are much more indistinctly punctate than in the preceding species. 
Long. 43-5 millim. 
Hab. Panama, Matachin (Dr. Thieme, coll. Oberthiir). 
4, Sysinas centralis, n. sp. (Tab. XXV. fig. 7.) 
Head, pronotum, sternum, and legs luteous; eyes, antenne, a broad central longitudinal fascia on disk and 
the apex of the head, anterior margin and a broad central fascia (narrowing anteriorly) to pronotum, 
scutellum, corium, membrane, and abdomen beneath blackish; lateral margins of corium and cuneus 
luteous ; upper streaks to anterior and intermediate femora, apices of tibie, and tarsi fuscous. 
Posterior area of pronotum and corium finely but distinctly punctate, the corium very finely pilose. 
Long. 4 millim. 
Hab. Guatemata, Cerro Zunil (Champion). 
5. Sysinas floridulus, n. sp. (Tab. XXIV. fig. 24.) - . raev. dar, 
Reddish ochraceous ; head and subanterior margin to pronotum luteous ; first and secoud joints of antenna, 
eyes, scutellum, a broad central fascia occupying inner halves of corium, membrane, and apices of tibie 
(often concolorous) dark fuscous or black ; base of first joint and the third and fourth joints of antenne 
luteous ; lateral margins of corium sometimes very narrowly and indistinctly luteous; vertex of head 
sometimes infuscated ; apical margin of membrane pale hyaline. 
Var. (probably sexual). Pronotum wholly luteous, with a broad central transverse fuscous fascia. 
Pronotum and corium finely but distinctly punctate, the clavus somewhat coarsely punctate. 
Long. 43-54 millim. 
Hob. Panama, Bugaba (Champion). 
Found within the flowers of Arums growing in the virgin forest (Champion). 
ZOPYRUS, gen. nov. 
Body oblong and depressed. Head anteriorly deflexed, obscurely and broadly sulcated on vertex; the eyes 
prominent and somewhat upwardly directed. Antenne inserted well in front of the eyes, with the first 
BIOL. CENTR.-AMER., Rhynch., November 1883. 32 
