66 



CATALOGUK OF 



postico bispinoso ; scutellum luteum, transverse suhlililer striatum; 

 abdomen Jlavo marginatum, suhliis Jlavo bituberculatum et oblique 

 sexslrigatum ; femora postica crassa, subtuherculata ; tibice posticce 

 lata ; alee anticce fulvce, membrana anea fulvo venosa. 

 Male. Fenuo^inous, slender. Eyes piceous, very prominent. 

 Rostrum tawny, extendinji; a little beyond the Jove coxfe ; first joint pale 

 testaceous, as long as ihe second ; third shorter than the second ; fourth 

 longer than the second, tip black. Antennae 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 jiale 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 tibis broad, a little shorter than the hind 

 femora, with a stout apical spur. Fore wings tawny ; membrane cinereous, 

 with lawny veins. Length of the body 9 lines. 

 a. Orizaba. From M. Salle's collection. 



20. Archimerus dolosus. 

 Mas. Piceus, angustus ; rostrum coxas anticas attingem ; antennce 

 corporis dimidio paullo longiores, articulo Ao riifo ; prothorax 

 subtiliter scaber, lateribus crenulatis, angulis posticis rotundatis non 

 prominulis ; venter bituberculatus ; femora postica incrassala, sub- 

 tuberculata, subspitiosa; tibice posticce siibundulatw, subtus dentatce 

 unispinoscc. 

 Male. Piceous, narrow. Eyes livid, promiuent. Rostrum extending 

 to the fore coxa; third joint shorter than the others. Antennae 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 

 dt'i)ression near the fore border; transverse ridge near the hind border 

 sli-iht; 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 tibia) 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. 



