ANTHIDIUM. 89 



flagellum wanting]. The mesothorax with an interrupted line 

 anteriorly, which passes over the tegulse and unites with the scu- 

 tellum, being, as well as the latter, ferruginous ; the tegulae and legs 

 ferruginous ; wings fusco-hyaline, darkest beyond the submarginal 

 cells ; the sides of the thorax with griseous pubescence. The first 

 and second segments of the abdomen ferruginous, the first with a 

 transverse yellow fascia, less distinct in the middle ; the second 

 segment with its apical margin black ; the following segments are 

 black in the middle and ferruginous laterally ; the third segment 

 with two oblong-ovate maculae placed transversely and uniting in 

 the middle ; the fourth, fifth, and sixth have similar maculae, but 

 smaller ; the apical segment yellow, tridentate, and with a central 

 sharp carina. 



Hah. Mendoza. 



14, Anthidium elegantulum. 



Female. Length 3| lines. — Luteous, the abdomen with ferruginous 

 fasciae. Head with a large subquadrate black macula on the vertex 

 enclosing the ocelli, and extending about halfway between the an- 

 terior ocellus and the antennae ; anteriorly it has a minute angular 

 projection emanating from the middle of its margin ; the flagellum, 

 except two or three of the basal joints, fuscous above. The meso- 

 thorax and basal margin of the scutellum black ; the anterior and 

 lateral margins of the mesothorax yellow ; the metathorax black 

 behind ; the wings subhyahne, the fore wings dark fuscous at their 

 anterior margin. Abdomen with the basal margin of the segments 

 luteous ; the apical margin of the terminal segment black. 



Hah. Brazil, Santarem. 



15. Anthidium cognatum. 



Female. Length 3 lines. — Black, the scutellum orange-yellow. The 

 head and thorax very coarsely punctui-ed ; the lower portion of the 

 inner orbits of the eyes, and anterior margin of the clypeus, inter- 

 rupted iti the middle, narrowly yellow. The wings dark fuscous 

 on the anterior margin of the fore pair, the rest subhyaline and iri- 

 descent. The abdomen pubescent, giving it a velvety blackness, 

 usually more or less abraded ; the fourth and fifth segments nar- 

 rowly margined with pale yellow ; clothed beneath with glittering 

 white pubescence. 



Hah. Brazil, St. Paulo. 



This species has the general aspect of A. lunnlahcm, but is quite 

 distinct, its head and thorax being rugose punctate ; its head is 

 smaller in proportion to its thorax, and it is less variegated with 

 yellow. The species are from different localities. 



