Dipseudopsidae

Adults (based on Armitage and Hamilton 1990)

1a	Males	2
1b	Females	3
2a(1a)	a. Intermediate appendages completely fused to tergum 10, and heavily sclerotized and fused medially forming a single, acute, upturned lobe	Phylocentropus lucidus (Hagen)
	b. Apex of phallic apparatus divided into four equal, acut parts
2b	a. Intermediate appendages not forming an upturned lobe, and not fused entirely to tergum 10	Phylocentropus placidus (Banks)
	b. Apex of phallic apparatus not dividued into four equal, acute parts
	also: Claspers in lateral aspect with a median, longitudinal ridge; in ventral aspect, a row of rod-like setae parallel to the longitudinal axis; spines (usually 3-4) of intermediate appendage restricted to the posterolateral corner of Ab10
3a(1b)	a. In lateral view, vulval scale with the apical margin rounded, bearing an acute dorsal spine	Phylocentropus lucidus (Hagen)
	b. In ventral view, apical portion of the vulval scale triangular
	c. Sternite of Ab8 with the posterior margin slightly emarginate
3b	a. In lateral view, vulval scale with the apical margin rounded but without a dorsal spine	Phylocentropus placidus (Banks)
	b.In ventral view, apical portion of the vulval scale blade-like
	c.Sternite of Ab8 with the posterior margin deeply emarginate

References

Armitage BJ, Hamilton SW. 1990. Diagnostic Atlas of the North American Caddislfy Adults. II. Ecnomidae, Polycentropodidiae, Psychomyiidae, and Xiphocentronidae. The Caddis Press. Athens, Alabama. 150 pp.

Page created: July 19, 2003 (EB)
Page last reviewed: November 1, 2003 (EB)