88 APiMi:. 



1 1 . Anthidium flavomarginatiim. 



Male. Length 4 lines. — lUack ; bead and tliorax closelj' punctured, 

 semiopacpie ; abdomen sliiiiing, much more finely punctured, and 

 having waved yellow fasciiD. The anterior portion of the clypcus, 

 the inner orbits* of the eyes, a curved line at the insertion of each 

 antenn:i, the mandibles, and a narrow line on the posterior margin 

 of the vertex, which runs down to the base of the mandibles, yel- 

 low ; the scape in front and the base of the flagellum reddish 

 yellow. A narrow yellow line on the anterior margin of the meso- 

 thorax, interrupted in the middle, passing over the tegulac, and 

 continued along the hinder margin of the scutellum ; the teguhc, 

 the anterior femora in front, and the tibia3 and tarsi, ferruginous ; 

 the tibia? more or less black behind ; wings fusco-hyalim-, with a 

 dark stain along the foro margin of the anterior pair. The first 

 segment of the abdomen with a lateral, narrow, waved yellow line 

 in the middle ; the second segment with an ovate macula at its 

 lateral margins ; the third, fourth, and fifth segments with a nar- 

 row fascia near their basal margins, the first narrowly internipted ; 

 the sixth and seventh segments yellow, the latter with a small, deep 

 impression in the middle, close to the apical margin. 



Hah. Brazil, Petropolis. 



12. Anthidium hicoloratum. 



Female. Length 3| lines. — Black, and variegated with red and 

 yellow markings. Head with the orbits of the eyes, the posterior 

 margin of the vertex, a spot in front of the anterior ocellus, the 

 scape, and three or four of the basal joints of the flagellum, ferru- 

 ginous ; the head and thorax closely punctured. The scutellum, 

 a lateral spot united to it, the tegulae, and two narrow abbreviated 

 lines on the disk of the mesothorax ferruginous ; the anterior legs, 

 the intermediate femora at the apex, the tibiae and tarsi, and the 

 posterior femora at the apex ferruginous ; wings fuscous. Ab- 

 domen ferruginous at the extreme base ; the first to fifth segments 

 with a double row of yellow maculae, those on the three basal seg- 

 ments transverse, those on the fourth and fifth segments ovate ; 

 three or four of the basal segments have also a small yellow spot 

 at their extreme lateral margins ; clothed beneath with glittering 

 whitish pubescence. 



Hah. Mendoza. 



13. Anthidium confusuni, 



Male. Length 4| lines. — Black, variegated with ferruginous and 

 yellow. The clypeus, mandibles, and face on each side yellow; 

 the hinder margin of the vertex and the scape ferruginous : [the 



