Family Delphacidae

Subfamily Stenocraninae 

Tribe Stenocranini

Distribution: Neotropical.

Type species (in original combination): Tanycranus elongatus Bartlett, 2010..

Recognized species

There is a single species currently placed in this genus.

Tanycranus elongatus Bartlett, 2010 - Bolivia, Brazil, French Guiana, Uruguay.

Hosts:

On "large Carex"

Economic Importance: Limited - species poorly known. 

Recognition

This species is the only stenocranine currently known from South America.  The very long head is similar to Frameus from Central America and Embolophora from Africa.  In Tanycranus the apex of the head is truncate, the median carina of the frons is forked near the eyes, and segment 10 has 1 pair of processes.  The form of the aedeagus is also distinctive.  The drawing in Hamilton (2006, Figure 4) appears to be this species.

Molecular resources

There are no data on this genus in Genbank or BOLD. 

Selected references

Bartlett, C. R. 2010 (dated 2009). Diversity in New World Stenocranine Planthoppers (Hemiptera: Delphacidae). Transactions of the American Entomological Society 135(4): 443-486.

Hamilton, K.G.A. 2006. The planthopper genus Stenocranus in Canada: implications for classification of Delphacidae (Hemiptera). Canadian Entomologist 138(4): 493-503.