Insecta - Hemiptera - Aphididae

Alternative combination: Tephraphis simplex

Synonym: Tephraphis walshii Scudder 1890

Full reference: G. B. Buckton. 1883. Monograph of the British Aphides, Vol IV 1-228

Belongs to Siphonophoroides according to C. Favret 2012

Sister taxa: Siphonophoroides antiqua, Siphonophoroides breineri, Siphonophoroides lassa, Siphonophoroides magnalata, Siphonophoroides orapaensis, Siphonophoroides pennatus

Type specimens:

• Siphonophoroides simplex: 519, an exoskeleton. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.
• Tephraphis walshii: 8085, a wing (four overlapping wings poorly preserved). Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Average measurements (in mm): body length 3.19, wing length 3.62