Famity—EVANIIDA. 123 
Famity—EVANIIDA. 
Genus—TRIGONALYS. 
(Westw. Proc. Zool. Soc. April r4, 1835, No. 28, p. 52; Seminota, Spinola, in Guérin Mag. de Zool. 1840, Ins. pl. XLI; 
Trigonalis (Klug, baud recte), Spinola, 1. ¢. 1840, Ins. pl. LIIL ; Lycoyaster, Shuckard, Entomologist, p. 124.) 
Specizrs 1—TRIGONALYS LUGUBRIS. 
(Westw. Trans. Ent. Soe. Lond. 1868, part iv. December, p. 328.) 
Puatr XXIII, Fic. 4. 
Nigra, punctatissima, flavo varia; alis anticis margine costali fusco suffuso. 
Long. corp, lin. 44; expans. alar. antic. lin. 9. 
Habitat ; Amazonia (Bates). In Mus. Hopeiano Oxoniw. 
*Caput nigrum; clypeo, macula parva ad marginem anticum oculorum, alterisque duabus suborbitalibus, 
mandibulisque flavis, harum dentibus nigris; antenne nigra, 27-articulate ; thorax niger, collaris margine 
supero, punctis duobus anticis mesonoti, alterisque duobus minutis ad latera scutelli, post-scutelli linea tenui in 
medio emarginata, flavis ; abdomen segmentis postice flavo tenue marginatis, infra in medio profunde incisis ; 
ale hyaline, margine costali fusco pone stigma magis suffuso ; pedes nigri, tibiis extus albidis. 
Species 2—TRIGONALYS LACHRYMOSA. Westw. 
Puate XXIII, Fic. 5. 
Nigra, subnitida: clypeo puncto parvo flavo, thorace antice punctis duobus triangularibus, tegulis, punc- 
tisque quatuor transversis, in medio dorsi thoracis, per paria dispositis flavescentibus ; capite fere levi, mesonoto 
transverse striolato, metanoto granulato; abdomine punctato, griseo-setoso, marginibus posticis segmentorum 
griseis; pedibus nigris, femoribus anticis tibiisque quatuor posticis linea flava externe notatis; alis cinereo- 
hyalinis, stigmate venisque nigris, nubila subapicali anticarum fuscescente. 
Long. corp. lin. 6; expans. alar. antic. lin, 12. 
Habitat; in partibus orientalibus Insulz Philippinensis, Mindanao (Semper). In Coll. Semper, Alton. 
Species 3—TRIGONALYS ORNATA. 
(Smith, Journal of Entomology, vol. i. p. 83.) 
Puate XXIII, Fie. 7. 
‘T. nigro-fusca: capite thoraceque maculis flavis ornatis: abdomine flavo fasciato; alis hyalinis; pedibus 
flavis. Long. corp. 53 1. 
‘Head large, wider than thorax, margins rounded, somewhat flattened in front ; clypeus transverse ; an- 
terior margin slightly rounded and emarginate in the middle; head, mandibles, and four middle joints of 
antenne sulphur yellow; mandibles with three black teeth ; a minute black or rather fuscous spot between the 
antenne; a circular broad ring above them, extending to the first ocellus, and uniting with a subtriangular 
spot enclosing the posterior ocelli, on each side of which is another curved fuscous stripe, which becomes nar- 
rower and unites at the margin of the vertex; thorax and legs yellow; the former has three broad longitudinal 
stripes on the mesothorax, another on the scutellum and metathorax in the middle, and also a small triangular 
spot on each side of the scutellum, dark, fuscous; wings hyaline, with a slight fuscous stain along the anterior 
margin of the superior pair; abdomen fuscous, darkest towards the apex, with a yellow fascia on the posterior 
margin of all the segments.’ (Smith, 1. ¢.) 
Long. corp. lin. 53; expans. alar. antic, lin. 12. 
Habitat; Mexico. In Mus. F. Smith. 
