EPHEMEROPTERA OF THE WORLD

arb.sig. ABC

z   

horrida McDunnough 1926 [Heptagenia]

sources:

subjects:

valid names:

invalid synonyms:

McDunnough 1926:296-303

 Canada

Heptagenia horrida sp.n.

 

Needdham & Traver & Hsu 1935

Heptagenia horrida

 

Edmunds & Jensen & Berner 1976

distrib.

Heptagenia horrida

 

Mingo & Gibbs 1980

Maine

Heptagenia horrida

 

Flowers 1980*

Nixe horrida gen.comb.n.

 

Tshernova & Kluge & 
Sinitshenkova & Belov 1986

 

[Ecdyonurus horridus comb.n.]

 

Burian & Gibbs 1991

Maine

Nixe horrida

 

McCafferty 1996

 

Nixe horrida

 

Kluge 2004

 

in Ecdyonurus/fg1-Afghanurus/g1 INC.SED.

 

McCafferty 2004:1-9*

 

Nixe horrida

 

 

 

Ecdyonurus horridus

 

 

 

Ecdyonurus (Afghanurus) horridus

 

 

 

Afghanurus horridus

 

 

 

Nixe horrida

 

 

 

Heptagenia horrida

 

 

in Ecdyonurus/fg1-Afghanurus/g1 INC.SED.