334 PROCEEDINGS OF THE NATIONAL MUSEUM vol. iis 



Hystiopsis maculata, new species 



Figure 81 



About 6.5 mm. in length, oblong oval, shining, the elytra strongly 

 costate with the intervals geminate striate punctate; head, antennae, 

 undersurface, tibiae and tarsi and part of the femora dark; elytra 

 dark with large roundish pale spots, three down the middle of each 

 elytron and an elongate one below the humerus on the side and 

 margin. 



Head with the interocular space more than half width of head, 

 occiput polished, mipunctate, the tubercles swollen, a depression 

 above them, lower front depressed without carina, a thin median line 

 down the front on each side of which the surface wrinkled and with 

 a few punctures, the head dark except a pale line along the labrum and 

 the neck beneath also pale. Antennae long and slender, piceous with 

 the three terminal joints deep brown. Pro thorax almost twice as 

 wide as long, widely sulcate across, alutaceous and finely punctate, 

 entirely pale. Scutellum dark. Each elytron with 8 costae, the 

 intervals with geminate striate punctures, shining, piceous, with three 

 large roundish pale spots down the middle of each elytron and an 

 elongate pale spot along the margin below the humerus; apex and 

 epipleura pale. Body beneath with the breast and abdomen dark, 

 basal part of femora pale, tibiae and tarsi dark, all tibiae with a 

 spine. Length 6.5 mm.; width 2.5 mm. 



Type, female, USNM 66839, from Campinas, Brazil, collected by 

 P. A. Berry, March 19, 1939. 



Remarks: This is closely related to the preceding species found 

 in Peru and Bolivia, H. bella and H. zonata. 



Hystiopsis irritans, new species 



Figure 80 



About 5.5 mm. in length, oblong oval, faintly shining, alutaceous, 

 the elytra strongly costate with the intervals geminate striate punc- 

 tate, depressed along the suture below the scutellum, pale with the 

 antennae except the terminal joints dark, the occiput dark, tibiae 

 and tarsi dark, a dark streak along the femora, the pronotum with a 

 dark median vitta, the elytra dark except for a large pale median spot 

 not joined at the sutm'e and a pale apical area. 



Head with the interocular space about half width of the head, the 

 occiput finely punctate, tubercles prominent, lower front depressed 

 and rugose, front pale, occiput and mouthparts dark. Antennae 

 long and dark with the three apical joints pale, no difference in the 

 sexes. Pro thorax almost rectangular, with only slightly curved sides, 

 a well marked transverse sulcus but not so deeply carved as in 



