64 CATALOGUE OF 
13. Arcuimerus NEstTor. 
Nestor, Stal, Stett. Ent. Zeit. xxiii. 278. 
Mexico. 
14. ARCHIMERUS SCRUPULOSUS. 
scrupulosus, Stal, Stett. Ent. Zeit. xxiii. 279. 
Mexico. 
15. ARCHIMERUS SCUTELLARIS. 
Piezogaster scutellaris, Stal, Stett. Ent. Zeit, xxiii. 292. 
Mexico. 
16. ARCHIMERUS ACUTIUSCULUS. 
Mas. Testaceus, gracilis; caput longiusculum ; antenne corporis dimidio 
non longiores, articulo 40 1o longiore ; prothorax scaber, lateribus 
crenulalis, angulis posticis rectangulatis subprominulis ; femora 
postica incrassala, intus denticulata et nigricante uniplagiata; tibie 
postice apice unispinose; ale antice striga obliqua nigricante, 
membrana fusca. 
Male. Testaceous, slender. Head smooth, elongate. Eves piceous, 
prominent. Rostrum hardly extending beyond the fore coxe} tip black; 
fourth joint longer than the others. Antenne hardly half the length of the 
body ; joints from the first to the third successively decreasing in length; 
fourth a little longer than the first. Prothorax scabrous, smooth towards 
the fore border; longitudinal impressed line very slight; transverse ridge 
near the hind border very slight; sides crenulated; hind angles rectangu- 
lar, slightly prominent. Abdomen extending on each side a little beyond 
the fore wings. Four anterior femora with a minute subapical spine 
beneath. Hind femora incrassated, much shorter than the abdomen, with 
a blackish patch on the inner side beyond the middle; a row of minute 
teeth beneath. Hind tibie shorter than the hind femora, with a stout 
apical spine. Fore wings with an oblique blackish streak in the disk of 
the corium; membrane brown. Length of the body 7 lines. 
a. Orizaba. From M. Salle’s collection. 
17. ARCHIMERUS INDECORUS. 
Mas. Ferrugineus, subtus piceus; antenne nigra, setulose, corporis 
dimidio longiores, articulo 40 piceo 20 longiore; prothorax scaber, 
angulis posticis latissimis subprominulis valde rotundatis ; abdominis 
latera flavo maculata ; femora postica incrassata, spinosa; tibie 
postice subarcuata, subtus dentate et unispinose ; membrana fusca. 
Fem.—Antennarum articulus 4us rufus ; femora postica sat valida, 
subtus biseriatim spinosa ; tibie postice graciles, recta, inermes. 
