Uroleucon, Mordvilko, 1914

Barjadze, Shalva & Kanturski, Mariusz, 2020, Two new species of the aphid genus Uroleucon (Hemiptera: Aphididae) living on Grindelia in the USA, European Journal of Taxonomy 729, pp. 42-53: 51

publication ID

https://doi.org/10.5852/ejt.2020.729.1189

publication LSID

lsid:zoobank.org:pub:5D9A5938-4858-4F8D-A50D-6E2CF5623E69

DOI

http://doi.org/10.5281/zenodo.4360948

persistent identifier

http://treatment.plazi.org/id/03E687FE-8D49-7825-FF5D-FD469527F95F

treatment provided by

Plazi

scientific name

Uroleucon
status

 

Key to the apterae of Uroleucon  on Grindelia  spp.

Note: the key is modified from that of Blackman & Eastop (2020)

7. SIPH entirely dark ........................................................................ Uroleucon chani Robinson, 1985 

– SIPH pale, at least on basal part ( Figs 2eView Fig, 3eView Fig) .................................................................................. 8

8. ANT III with 12–31 rhinaria extending to 0.80–0.98 from base with majority on distal half ........... ............................................................................................... Uroleucon richardsi ( Robinson, 1964) 

– ANT III with 5–26 rhinaria extending to 0.4–0.8 from base with majority on the basal half ( Figs 2aView Fig, 3aView Fig) ..................................................................................................................................................... 9

9 R IV +V 0.9–1.2×HT II, with 6–10 accessory hairs. SIPH 1.85–2.5× cauda. ANT PT/BASE 3.2– 5.7 ................................................................................................................................................... 10

– R IV +V 1.15–1.5 ×HT II with 7–13 accessory hairs ( Figs 2dView Fig, 3dView Fig). SIPH 1.5–2.6 ×cauda. ANT PT/ BASE 3.0–5.2 ..................................................................................................................................11

10. Siphunculi pale at base, dark over most of their length. Distal caudal hairs usually short and blunt or capitate. Dorsal cephalic hairs 18–35 μm long ................. Uroleucon erigeronense (Thomas, 1878) 

– Siphunculi pale. Distal caudal hairs pointed. Dorsal cephalic hairs 45–55 μm long ......................... ......................................................................... Uroleucon payuniense Ortego & Nieto Nafría, 2007 

11. ANT PT/BASE 3.31–3.58. ANT PT 1.0–1.2×cauda .. Uroleucon (Lambersius) grindeliae  sp. nov.

– ANT PT/BASE 3.6–5.2. ANT PT 1.5–2.0 ×cauda ......................................................................... 12

12. SIPH 2.30–2.68×cauda. R IV +V 1.18–1.25×HT II. Tibiae dusky/dark for most of their length ( Fig. 1aView Fig) ......................................................................... Uroleucon (Lambersius) robinsoni  sp. nov.

– SIPH 1.65–1.95×cauda. R IV +V 1.3–1.6 ×HT II. Tibiae pale except at apices ................................ ................................................................................................ Uroleucon penderum Robinson, 1986