24 
Psyche 
[March - June 
the hind wing was solid and continuous, not broken into two as in 
the living Halter extensa. That he was referring to the interruption 
of the black area and not to the “paddle” is shown by his previous 
statement that the hind wing had an apical fiddle-shaped expansion, 
which was dark-colored. Pierce and Kirkby apparently concluded that 
americana had a single, undivided dilation. The two dilations are 
shown in Navas’ figure of the type ( 1913) . 
Since metzeli has two dilations of the hind wing, as in americana , 
and resembles that species in all other known features, it may most 
reasonably be placed in the genus Marquettia , to which it is hereby 
assigned. 
A generic revision of all known nemopterids may result in consid- 
erably generic synonymy, with Marquettia included. However, until 
such a revision is made, I believe Marquettia should be retained for 
these two fossil Nearctic species. 
Text figure 1. Fore and hind wings of Marquettia americana (Cock.). 
Drawing based mainly on holotype, with additional details of specimen no. 
4514, University of Colorado Museum. 
References 
Cockerell, T. D. A., 1907, Some Old World Types of Insects in the Miocene 
of Colorado, Science, 26: 446-447. 
1908, Florissant: A Miocene Pompeii, Pop. Sci. Mo., 73: 
124-125. 
Navas, R. P. L., 1910. Monografia de los Nemopteridos, Mem. Real Acad. 
Cien. y Artes de Barcelona, 8: 341-408. 
1912, Family Nemopteridae, Neuroptera, Genera Insec- 
torum, 136: 1-23. 
1913, Mis Excursiones por el Extranjero, Mem. Real Acad. 
Cien. y Artes, 10: 7-9, fig. 4. 
Orfila, R. N., 1954, Un Nuevo “Nemopteridae” Americano, Rev. Soc. Ent. 
Argentina, 17:29-32. 
Pierce, W. Dwight and Ruth A. Kirkby, 1959, Fossil Insects from Montana: 
A New Fossil Nemopterid (Neuroptera), Bull. So. Calif. Acad. Sci., 58: 
47-50. 
