NEOTROPICAL HEMEROBIIDAE — NAKAHARA 111 



gradates, and there are five and six crossveins, respectively, to the 

 outer and inner gradate series. Cui is more heavily branched than 

 in the typical Sympherobius , and the first and second branches, with 

 the sixth crossvein of the inner gradate series, form a closed cell, the 

 like of which is not found in any species of true Sympherobius. In 

 maculipennis the first radial sector is often split into two as in the 

 case of the individual shown in plate 1 (fig. 1). Unfortunately 

 Sympheromima marginata Kimmins, the sole species and the type of 

 the genus, was described from a single specimen lacking an abdomen, 

 and hence nothing is known of its genitahc characters. This cir- 

 cumstance makes it difficult to place maculipennis under Symphe- 

 romima with assurance, and I retain this species in Sympherobius for 

 the present. 



Genus Nomerobius Navas 



Nomerobius psychodoides (Blanchard) 



Megalomus 'psychodoides Blanchard, in Gay, Hist. Chile, Zool., vol. 6, p. 127, 



1861. 

 Sympherobius modestus Banks, Proc. Ent. Soc. Washington, vol. 12, p. 158, 1910. 

 Nomerobius psychodoides Navds, Mem. R. Acad. Cien. Art. Barcelona, vol. 12, 



p. 131, 1915.— Nakahara, Mushi, vol. 34, p. 22, figs. 31-34, pi. 8, fig. 16, 



1960. 



One cT, Bariloche, Rio Negro, Argentina, November 1926 (R. and 

 E. Shannon), bearing Banks' label ^'Nomerobius modestus Bks."; Icf , 

 Valparaiso, Chile (Cockerell). 



This species was fully described very recently (Nakahara, loc. cit.). 



Nomerobius ntarmoratiis (Navas), new combination 



Sympherobius marmoratus Navds, Broteria, Ser. Zool., vol. 9, p. 70, 1910. — 

 Kimmins, Rev. Soc. Ent. Argentina, vol. 9, p. 188, fig. 2, 1929. — Nakahara, 

 Mushi, vol. 34, p. 20, pi. 7, fig. 14, 1960. 



Two 9, Argentina (without fm-ther locality data), May 25, 1927. 



This species should be placed under Nomerobius because of the 

 long, interrupted series of outer gradate crossveins, the apical series 

 consisting of three or four and the posterior series of two or three 

 crossveins, with an interruption between the two series. The inner 

 gradate series consists of four crossveins. 



Genus Psendomicromus Kriiger 

 Pseudomicromus subanticus (Walker) 



Hemerobius subanticus Walker, List Neuroptera Brit. Mus., vol. 2, p. 282, 1853. 

 Micromus angustus Hagen, Proc. Boston Soc. Nat. Hist., vol. 23, p. 287, 1886. 

 Micromus subanticus. — -Banks, Trans. Amer. Ent. Soc, vol. 32, p. 46, 1906. — 



Carpenter, Proc. Amer. Acad. Arts Sci., vol. 74, p. 250, fig. 53, pi. 2, fig. 22, 



1940. 



