NO. 2156. SUBFAMILY ALFA^RODINAE—QUAINTANCE t6 BAKER. 399 



ALEUROPLATUS (ALEUROPLATUS) VARIEGATUS, new species. 



Plate 61, fig. 2; plate 59, figs. 8-li. 



This species was taken in the gardens of the National Museum at 

 San Jose, Costa Rica, by Ad. Tonduz, April 3, 1914. It was collected 

 from the leaves of a species of Psidium. It is remarkable on account 

 of the variegated character of several of the pupa cases. 



Pujja case (pi. 61, fig. 2).— Size 0.96 by 0.72 mm. Shape tend- 

 ing to oval, narrowest across the cephaUc portion and slightly con- 

 stricted in the regions of the thoracic pores or combs, form flat. 

 Abdominal segments distuictly separated only on the median dorsal 

 region. Suture separating the thorax and abdomen extendmg in 

 some specimens not at all and in others a very short distance cephalad 

 of the suture of the caudal thoracic segment. Color varying from a 

 yellow to a smoky brown. In specimens that arc only partially dark 

 this dark area is on the median dorsal region. Specimens showing 

 the entire dorsum dark have the margmal teeth all around, the pores 

 and the tubercles on which the spines are located transparent 

 yellow; these structures then stand out very clearly. The thorax is 

 armed with a pair of prominent clubbed spines on the median portion 

 of the second and third segments (pi. 59, fig. 9), and another less 

 prominent pair betw^een the eyespots, which last are transparent 

 and irregular. Scattered over the dorsum there are many minute 

 clear pores. Vasiform orifice (pi. 59, fig. 11) subcircular in outline, 

 with the margin thickened at its caudal part and armed within by 

 minute striations; operculum straight on its cephalic portion, rather 

 elongate, nearly filling the orifice. Just caudad of the vasiform 

 orifice, and nearly to the margin of the case, there is a thickened 

 area which extends to form the caudal comb of two teeth. On each 

 side of this thickened area arise the spines which form the caudal 

 pair, and the area itseK is connected with the caudal margin of the 

 orifice by a series of minute markings. In the dark specimens this 

 small dotted region is outUned with a row of larger clear pores 

 (pi. 59, fig. 11). The pair of spines latero-cephalad of the vasiform 

 orifice are as long as the orifice itself. Region of the thoracic tracheal 

 fold with a similar thickening some distance from the margin, which 

 thickening is covered with similar minute markmgs (pi. 59, fig. 8). 

 Teeth of the margin rather short, not acute, but romided and cov- 

 ered with minute serrations (pi. 59, fig. 10). Extending inward from 

 these teeth are irregular suture-Uke markings which meet a second 

 series of such markings on the subdorsal area. 



On the leaf the case appears black and is surrounded with a dirty 

 white waxy secretion, with many conspicuous radiating threads of wax. 

 Adults. — Unknown. 



Described from pupa cases in balsam mounts and dry upon foliage. 

 Type.— Cat. No. 19205, U.S.N.M. 



