F. M. Carpenter.
Note on Haplodictyus incertus Navas.
Psyche 39(4):144, 1932.

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144 Psyche [December
in the reproduction of the drawings. Otherwise I cannot find any striking differences as the form of the head, which serves to distinguish three varieties, falls within the range figured by Silvestri. The mesothorax is considerably wider than long, whereas in P. afra it is described as about equal in these two dimensions; one of Silvestri's figures (Fig. 111, I), however, shows it as more elongate. The acquisition of further specimens may perhaps show that the present specimen really represents a second spe- cies as the host termite belongs to another genus. NOTE ON WLODICTYUS INCERTUS NAVAS
Museum of Comparative Zoology, Harvard University In 1926 Navas published a description of a Mecopteron, Haplodictyus incertus, belonging to the family I3ittacidae.l Following the
description he gives the type locality as "Wilmerding Pa. A. Heine", and then adds, "Wahrschein- lich aus Africa". The similarity of the locality mentioned to Wilmington, Pa. (Pennsylvania) leads to doubtful suspi- cions, especially since Navas himself was apparently not quite certain that the place referred to was in Africa; and an examination of his figures
of the genitalia and fore
wings shows that incertus is in fact Bittacus apicalis Hagen, which inhabits the eastern part of the United States, from Georgia to New York. Inasmuch as the geni- talia and wing markings of this species are very distinctive (cf. the figures in my revision, Bull. Mus. Comp. Zool., 70, 1931), there can be no doubt that incertus is a synonym. The fact that Navas placed apicalis, a perfectly typical Bittacus, in the genus Haplodictyus Navas substantiates Esben-Petersen's contention (Selys coll., Monograph Mecop- tera, 1921) that Haplodictyus is only a synonym of Bittacus. 1 Trichoptera, Megaloptera and Neuroptera am dem Deutsch. En- tornolog. Institut. (Berlin-Dahlem). 2nd ser. Ent. Mitteil., 15{1): 57-63. 1926.
Pachc 39:1+4 11932). http //psyche enlcliib 01^/39/39.1+4 him1



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