Aphis

Barjadze, Shalva, 2011, A new species of Aphis Linnaeus (Hemiptera: Aphididae) from Cephalaria gigantea (Dipsacaceae) in Georgia, Zootaxa 2821, pp. 39-46 : 45

publication ID

https://doi.org/ 10.5281/zenodo.206760

DOI

https://doi.org/10.5281/zenodo.5626111

persistent identifier

https://treatment.plazi.org/id/039687AA-7E12-1812-40B7-FDCFDFDFFA59

treatment provided by

Plazi

scientific name

Aphis
status

 

Key to species of Aphis (apterous viviparous females) from Dipsacaceae worldwide

1. Dorsum with carapace or sometimes marginal sclerites and spinopleural bars...................................... 2

-. Dorsum without extensive dorsum pigmentation............................................................. 3

2. Longest hair on ANT III 1.8–2.8x BD III; cauda with 12–20 hairs. On Cephalaria .................. A. cephalariae n. sp.

-. Longest hair on ANT III 0.3–0.7x BD III; cauda with 4–9 hairs. On Succisa ........................ A. craccivora Koch

3. Femoral hairs all much shorter than diameter of trochantro-femoral suture; cauda dusky to dark with 2–9 hairs............ 4

-. Many of femoral hairs longer of diameter of trochantrofemoral suture; cauda black with 7–24 hairs..................... 7

4. SIPH 2.0–2.8x cauda. URS 1.4–1.8x HT II. ANT VI PT 2.9–3.7x ANT VIb. On Dipsacus .............. A. ochropus Koch

-. SIPH 0.8–2.5x cauda; URS 1.1–1.5x HT II; ANT VI PT 1.3–3.3x ANT VIb...................................... 5

5. Posterior hairs on hind trochanter 0.2–0.5x diameter of trochantrofemoral suture; hairs on anterior half of subgenital plate 0.2– 0.5x III BD; on Dipsacus , Knautia and Scabiosa .............................................. A. thomasi (Börner)

-. Posterior hairs on hind trochanter 0.3–1.1x diameter of trochantrofemoral suture; hairs on anterior half of subgenital plate 1.2– 2.0x III BD.......................................................................................... 6

6. Marginal hairs on ABD TERG I 0.4–1.0x the height of the Mtu on the same tergite (see several specimens); on Knautia and Scabiosa , Succisa ....................................................................... A. confusa Walker

-. Marginal hairs on ABD TERG I 0.7–1.8x the height of the Mtu on the same tergite (see several specimens); On Cephalaria , Dipsacus , Scabiosa ...................................................................... A. gossypii Glover

7. Dorsal abdomen with dark markings...................................................................... 8

-. Dorsal abdomen without dark markings................................................................... 11

8. Dorsal abdomen without dark cross-band on ABD TERG VII; on Knautia ..................... A. longini Huculak (part)

-. Dorsal abdomen with dark cross-band on ABD TERG VII..................................................... 9

9. URS 1.30–1.50x HT II; ANT VI PT 4.4–6.0x ANT VIb; on Succisa .............................. A. succisae Holman

-. URS 0.85–1.40x HT II; ANT VI PT 1.8–4.1x ANT VIb...................................................... 10

10. SIPH 2.4–5.4x longest marginal hairs on ABD TERG I–III, 2.8–5.1x their diameter at midlength and 0.8–1.6x cauda; on Dip- sacus, Knautia , Scabiosa , Succisa ........................................................... A. fabae Scopoli

-. SIPH 5.4– 17 x longest marginal hairs on ABD TERG I–III, 3.5–7.5x their diameter at midlength and 1.3–1.9x cauda; on Dip- sacus.............................................................................. A. solanella Theobald

11. HT with a row of spine-like setae; HT I often with 3 hairs; on Dipsacus ...................... A. eugeniae van der Goot

-. HT without a row of spine-like setae; HT I with 2 or 3 hairs................................................... 12

12. ANT 0.5–0.6x BL; cauda with 7–15 hairs; ANT VI PT 1.9–2.9x ANT VIb; on Scabiosa .............. A. spiraecola Patch

-. ANT 0.60–0.75x BL; cauda with 14–24 hairs; ANT VI PT 3.0–4.0x ANT VIb; on Knautia ........ A. longini Huculak (part)

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Aphidomorpha

Family

Aphididae

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