SPONGILLA-FLIES — PARFIN AND GURNET 



473 



probably found ia Miami also. There is a possibility that apicalis 

 may occur in other southern states and in othor sections of Central 

 America and the West Indies. It is uncommon in the United States. 

 This species belongs to that Neotropical group of Sisyra — which 

 contains the smaller species {apicalis, nodurna, panama, but not 

 minuta) — characterized by having forewings which show distinct 

 intervenational streaking, two radial cross-veins, and the basal seg- 

 ment of the antenna more smoothly curved on the inner margin and 

 more elongate, and the venation slightly less extensive. The apicalis 



Figure 16. — Terminal abdominal segments of Sisyra apicalis Banks, 

 view; B, same, dorsal view; C, female, lateral view. 



A, male, lateral 



group might perhaps justifiably be placed in another genus; however, 

 since the longitudinal veins, palpi, and other morphological features 

 are otherwise so similar to vicaria and fuscata, they are left in Sisyra. 

 S. apicalis can be separated from the other Neotropical species by 

 the striking antennal coloration, the slightly larger size, and the 

 genitalia. 



Specimens of apicalis from Panama are smaller (average wing 

 length 3.7 mm,, width 1.3 mm.) than the Florida specimens; also, the 

 male claspers are slightly longer than in those from Florida. 



