PTYCHODES.—TZENIOTES. 97 
7. Ptychodes mixtus. 
P. lecontei valde affinis, at differt corpore distincte breviore vittaque marginali elytrorum Iatiore et a margine 
recedente. Niger, politus, occipite lineis niveis duabus approximatis usque ad thoracis basin continuatis ; 
elytris vittis suturali et marginali alteraque interrupta discoidali niveis, vitta marginali lata postice a 
margine remota. 
Long. 9 lin. 
Hab. Panama, Chiriqui (27006). 
8. Ptychodes alboguttatus. 
P. lecontei var. a similis, sed elytris apice ut in P. polito simpliciter acuminatis. Niger, vittis duabus conti- 
guis a vertice usque ad elytrorum apicem extensis, alteraque latiore laterali ab oculo per elytrorum latera 
usque ad suture apicem ducta, pallide sulphureis; elytris disco guttis atomisque numerosis inspersis ; cor- 
pore subtus griseo, pectore. et, abdomine lateraliter sulphureo-vittatis ; antennis nigris, ab articulo 4” rufe- 
scentibus. 
Long. 10 lin. o. 
Hab. Mexico, Juquila, Oaxaca (Sal/é). 
A distinct species. The lateral yellow vitta of the elytra runs very close to the lateral 
margin the whole length to the apex. 
9. Ptychodes politus. 
Ptychodes politus, Serville, Ann. Soc. Ent. Fr. 1835, p. 75°; Castelnau, Hist. Nat. Anim. Art. i. 
p. 480, t. 33. f. 5. | 
Teniotes lineatus, Newman, Ent. Mag. v. p. 497 (1838). 
Hab. Mexico!; Guatemata, San Juan, Vera Paz (Champion). 
TANIOTES. 
Teniotes, Serville, Ann. Soc. Ent. Fr. 1835, p. 90. 
Eighteen species of this characteristic Tropical-American genus have been described. 
It does not appear to extend into temperate latitudes (except in the anomalous case of 
one species introduced into the Azores), but is represented in the West-Indian Islands. 
1. Taniotes scalaris. 
Lamia scalaris, Fabricius, Spec. Ins. i. p. 218. 
Teniotes suturalis, Thomson, Arch. Ent. i. p. 172°. 
Teniotes scalaris, Bates, Trans. Ent. Soc. 1872, p. 197. 
Hab. Mexico}, Plan del Rio (Hége); GuatemaLa, Zapote ( Champion) : ‘Nieanscua, 
Chontales (Belt, Janson) : ; Costa Rica, Cache (Rogers); Panama, Chiriqui (2ib06é). 
Teniotes univittatus, Taschenburg, Zeitschr. f. d. gesammt. Wissensch. 1870, i. p. 195, 
from Venezuela, is a slight local variety of this species, in which there is an additional 
sulphur-yellow spot under each humeral angle of the elytra. 7. scalaris may be always 
BIOL. CENT.-AMER., Coleopt., Vol. V., August 1880. Oo 
