56 
Psyche 
[June 
(29) (30) Tegmina with M not forked before nodal line; 
two irregular ranks of transverse veins in mem- 
brane distad of nodal line Amaclardea Mnir 
(30) (29) Tegmina with M forked before nodal line, more 
than two ranks of irregular transverse veins in 
membrane (31) 
(31) (32) Media forking near base of tegmen 
Monopsis Spinola 
(32) (31) Media forking near middle of tegmen 
Neurotmeta Gruerin-Meneville 
(33) (34) Vertex with median carina A -shaped (35) 
(34) (33) Vertex with median carina A -shaped (39) 
(35) (36) Vertex longer than broad, directed upward 
distally Dictyotangia Fennah 
(36) (35) Vertex not longer in middle line than broad 
across base (37) 
(37) (38) Vertex as broad as long in middle, lateral mar- 
gins of frons not meeting lateral margins of 
vertex, a broad callus on anterior margin of 
vertex Aripoa Fennab 
(38) (37) Vertex broader than long, lateral margins of 
frons meeting lateral margins of vertex, an- 
terior margin of vertex not callussed 
Neotangia Melicbar 
(39) (40) Submarginal carinae of pronotum obsolete, re- 
presented only by a bump, species about 6 mm. 
long, tawny, marked with spots of darker 
brown Tangidia Ubler 
(40) (39) Submarginal carinae of pronotum very sharp, 
arcuate, species about 8.6 mm. long, uniformly 
pale green Dioxyomus Fennab 
Ladella Stal 
Stal 1859 Berl. Ent. Zeit. 3 : 319. Haplotype, Monopsis 
pallida Wlk. 
Ladella pallida (Wlk.) 
Monopsis pallida Walker 85. List Horn. 2 : 325. 
The figures were kindly made by Mr. W. E. China from 
the type. It is very distinct from the Puerto Rican 
species identified as Monopsis pallida by Stal and figured 
