SPHONGOPHORUS.—HOPLOPHORIN &. 31 
7. Sphongophorus (Lobocladisca) biclavatus. (Tab. ITI. figg. 4, 4.) 
Centrotus biclavatus, Westw. in Duncan’s Nat. Libr., Ent. i. p. 286, t. 25. fig. 3°. 
Sphongophorus biclavatus, Fairm. Ann. Soc. Ent. Fr. sér. 2, iv. p. 262, t. 4. fig. 4°. 
Hab. Panama, Bugaba 1000 feet (Champion).—Souru AMERica |. 
8..Sphongophorus (Lobocladisca) guerini. (Tab. III. figg. 8, 8a.) 
Sphongophorus guerinii, Fairm. Ann. Soc. Ent. Fr. sér. 2, iv. p. 262, t. 4. fig. 1°. 
Hab. Panama, David in Chiriqui (Champion).—BraziL, Minas Geraes !. 
In this species the posterior horn is as much elevated as, or even more so than, the 
anterior; the latter is almost straight, or only a little curved at the apex. 
One specimen from Chiriqui, which we figure. 
Subfam. HOPLOPHORINA,. 
This subfamily, though not a large one, contains several important genera; they 
may be known by the very short posterior tarsi, and may be distinguished as follows :— 
I. Wings with four apical cells. 
1. Pronotum with the lateral angles produced into sharp horns, 
and with its sides more or less compressed and elevated . Triquetra, Fairm. 
2. Pronotum with the lateral angles at most obtusely prominent. 
A. Pronotum simple and not produced in front. . . . . Ochropepla, Stal. 
B. Pronotum produced into a porrect horn in front. 
a. Horn of pronotum blunt; pronotum not carinate at 
sides, with the posterior process short, scarcely reach- 
ing beyond apex of abdomen. . . . . . . . « Potnia, Stal. 
6b. Horn of pronotum long and sharp; pronotum carinate 
at sides, with the posterior process long, reaching | 
almost to apex of tegmina . Doe ee Aconophoroides, gen. nov. 
II. Wings with three apical cells. 
1. Posterior process of pronotum not or scarcely reaching 
beyond apex of abdomen ; anal cells of wings larger. 
A. Pronotum narrowed evenly from shoulder to apex ; head 
broader. 
a. Pronotum with a stout blunt dorsal horn, inclined 
forward, and situated at some distance from the meto- 
pidium, sometimes reduced to a raised prominence, or 
entirely wanting ; tegmina extending for about one- 
third their length beyond apex of pronotum. . . . Platycotis, Stal. 
6. Pronotum produced into a straight blunt process, the 
back of which is exactly level with the dorsum ; 
tegmina long, extending for almost half their length 
beyond apex of pronotum. . . . . . . . . . Orthoplophora, gen. nov. 
