Macrosiphoniella

Mehrparvar, Mohsen & Rezwani, Ali, 2007, A new species of Macrosiphoniella and redescription of Coloradoa heinzei (Hemiptera: Sternorrhyncha: Aphididae) as a new record in Iran, Zootaxa 1634, pp. 61-68 : 65

Key to the apterous viviparous females of Macrosiphoniella species living on Artemisia (Asteraceae) in Iran

The one new species and the previously described species of Macrosiphoniella living on Artemisia in Iran can be identified using the following key.

1. Abdominal tergites I–V with a pair of dark transverse bands, which are often fused in abdominal tergites IV & V; SIPH thick, about 2x its basal width; ANTIII with 24–50 rhinaria in basal half .................. ............................................................................................................................ M. absinthii (Linnaeus)

– Abdominal tergites without dark transverse bands; SIPH more than 2x its basal width; ANTIII with less than 23 rhinaria ....................................................................................................................................... 2

2(1). URS less than 0.8 2HT; SIPH with a slight constriction, shorter than cauda; Cauda pale ........................ ................................................................................................................................. M. abrotani (Walker)

– URS more than 0.8 2HT, if shorter then basal part of SIPH broader; SIPH longer or shorter than cauda ................................................................................................................................................................. 3

3(2). SIPH at least with 40% reticulation on apex............................................................................................ 6

– SIPH with less than 33% reticulation on apex ........................................................................................ 4

4(3). Dorsal abdominal hairs mostly arising from papilliform tubercles; SIPH black ........................................ .................................................................................................. M. tuberculatum – artemisicola Bozhko

– Dorsal abdominal hairs not arising from distinct tubercles; SIPH dark with paler bases........................ 5

5(4). PT 4.2–5.3x ANTVIb; SIPH 1.8–2.3x Cauda; ANTIII with more than 6 rhinaria .................................... .................................................................................................................. M. tapuskae (Hottes & Frison)

– PT 1.7–2.5x ANTVIb; SIPH 1.0–1.3x Cauda; ANTIII with less than 7 rhinaria ...................................... ........................................................................................................................... M. kermanensis sp. nov.

6(3). Pale green; body not covered with wax powder; ANTIV 0.9x ANTIII; PT 1.2–1.3x ANTIII .................. ............................................................................................................................ M. oblonga (Mordvilko)

– Dark green to brown; body covered with wax powder; ANTIV less than 0.9x ANTIII; PT shorter than ANTIII...................................................................................................................................................... 7

7(6). SIPH with 50–70% reticulation on apex; shorter than cauda; cauda dark and finger-shaped; longest hairs on ANTIII 1.5–2.0x its basal diameter.............................. M. artemisiae (Boyer de Fonscolombe)

– SIPH with 40–50% reticulation on apex; as long as or longer than cauda; cauda pale brown, fingershaped with sharp apex; longest hairs on ANTIII less than 1.2x its basal diameter M. pulvera (Walker)