SCAPHULA.—HETERONOTUS. 83 
have little doubt that the species here noticed must be placed under it. As he was 
the first person who wrote much on the group, it is hardly to be wondered at if there 
is considerable confusion in collections with regard to the right determination of the 
insects belonging to it. 
1. Scaphula melanocephala, sp. n. (Tab. VI. figg. 15, 15a, 3.) 
Brevis, lata, nitida ; capite nigro; pronoto ‘lete castaneo, distincte remotius punctato, humeris obtuse promi- 
nulis, a dorso viso leviter rotundato, ad apicem brevissimum et obtusissimum depresso ; tegminibus fere 
totis intectis, fusco-testaceis, margine exteriori ad basin nigra, punctatis, apice late dilutiori, venis dis- 
tinctis, infuscatis ; abdomine brunneo-testaceo; pedibus testaceis. 
A small, short, broad, and shining species, with the head deep black, unicolorous, and the pronotum of a bright 
castaneous colour, distinctly and not very closely punctured, more strongly at the sides, where it is im- 
pressed ; dorsum, if viewed from the side, slightly rounded, depressed before the apex, which is very 
short and obtuse; tegmina extending far beyond the apex of the pronotum, with the clavus exposed, 
fusco-testaceous, lighter hyaline for about the apical third, exterior margin black and punctured towards 
base, veins distinct ; abdomen brownish-testaceous ; legs testaceous. 
Long. 34 millim.; lat. int. ham. 2 millim. 
Hab. PanaMa, Bugaba (Champion). 
One female specimen. 
HETERONOTUS. 
Heteronotus, Laporte, Ann. Soc. Ent. Fr. i. p. 96 (1832); Amyot et Serville, Hist. Nat. des Ins. 
Hémipt. p. 548; Butler, Cist. Ent. 11. p. 356. 
This genus contains about a dozén species, which have mostly been described from 
Brazil; they are among the most extraordinary forms of the Membracide, and bear a 
strong likeness to large species of ants, the resemblance being evidently protective. 
The species of the genus Heniconotus, Stal, about a dozen in number, were formerly 
included under Heteronotus. 
1. Heteronotus quadrinodosus. 
Heteronotus quadrinodosus, Fairm. Ann. Soc. Ent. Fr. sér. 2, iv. p. 499, t. 7. fig. 27°. 
Heteronotus quinquenodosus, Stal, Stett. ent. Zeit. 1864, p. 70”. 
Hab. Mexico 12, Orizaba (Saldé). 
Mr. Butler (Cist. Ent. ii. p. 357) has pointed out the confusion that has arisen 
between this and the succeeding species; they may at once be~known by the fact 
that the strong ventral spine is emitted from the penultimate lobe of the pronotum 
in H. quadrinodosus, and from the last lobe (which thus bears three spines) in 
_ HH. trinodosus. 
Fairmaire to Parmula=Horvola; fig. 11, assigned to Horiola biguttata, belongs to Parmula (Fairmaire does 
not refer to the species at all in his descriptions) ; fig. 14, assigned to Horiola gibbula, belongs to a division of 
Parmula, which, perhaps, may.form a new genus (Fairmaire himself, in his description, J. c. p. 491, assigns 
it to Parmula); tig. 19, assigned to Acutalis, belongs to Scaphula; and fig. 20, assigned to Scaphula, belongs to 
Acutalis proper. 
*112 
