66 CATALOGUE OF 
postico bispinoso; scutellum luteum, transverse subtiliter striatum ; 
abdomen flavo marginatum, subtus flavo bituberculatum et oblique 
sexstrigatum ; femora postica crassa, subtuberculata; tibie postice 
late; ale antice fulve, membrana enea fulvo venosa. 
Male. Ferruginous, slender. Eyes piceous, very prominent. 
Rostrum tawny, extending a little beyond the fore coxe; first joint pale 
testaceous, as long as the second; third shorter than the second; fourth 
longer than the second, tip black. Antenne slender, about 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, a broad 
piceous band near the fore border; an elongated luteous spot in the disk ; 
transverse ridge near the hind border very slight; sides straight, slightly 
retuse; hind angles slightly acute, rather prominent; hind border with a 
short stout spine on each side. Scutellum luteous, elongate-triangular, 
transversely and slightly striated. Abdomen narrowly bordered with pale 
yellow; under side with a large pale yellow tubercle on each side of the 
first segment and with an oblique pale yellow streak on each side of each 
of the three following segments. Four anterior femora unarmed. Hind 
femora much incrassated, much shorter than the abdomen, with a few 
Minute tubercles above. Hind tibie broad, a little shorter than the hind 
femora, with a stout apical spur. Fore wings tawny; membrane cinereous, 
with tawny veins. Length of the body 9 lines. 
a. Orizaba. From M. Sallé’s collection. 
20. ARCHIMERUS DOLOSUS. 
Mas. Piceus, angustus; rostrum cowas anticas attingens; antenne 
corporis dimidio paullo longiores, articulo 40 rufo; prothorax 
subtiliter scuber, lateribus crenulatis, angulis posticis rotundatis non 
prominulis ; venter bituberculatus ; femora postica incrassata, sub- 
tuberculata, subspinosa; tibie postice subundulate, subtus dentate 
unispinose. 
Male. Piceous, narrow. Eyes livid, prominent. Rostrum extending 
to the fore coxe; third joint shorter than the others. Antenne a little 
more than half the length of the body; joints from the first to the third 
successively decreasing in length; fourth red, longer than the third, shorter 
than the second. Prothorax finely scabrous; a very slight transverse 
depression near the fore border; transverse ridge near the hind border 
slight; sides crenulate, nearly straight; hind angles rounded, not promi- 
nent. Abdomen beneath with a tubercle on each side of the second 
segment. Four anterior femora beneath with three subapical spines. 
Hind femora incrassated, much shorter than the abdomen, with a few 
tubercles and short stout spines. Hind tibie slightly undulating, as long 
as the hind femora, with an oblique spine beneath at two-thirds of the 
length, minutely dentate from thence to the tips. Tarsi tawny. Length 
of the body 10 lines. 
a. Oajaca. From M. Salle’s collection. 
