Anomalosiphum, ESSIGI, 2006

Quednau, F. W. & Martin, J. H., 2006, Descriptions of two new species of Anomalosiphum (Hemiptera: Aphididae, Greenideinae), including a winged ovipara with pedunculate eggs, Zoological Journal of the Linnean Society 146 (2), pp. 239-249 : 245

KEY TO ANOMALOSIPHUM SPECIES, ALATE VIVIPARAE

1. Ant. segm. III not much swollen, bearing up to 20 sens.; segm. IV and V without sec. sens. Embryo with setae from pronotum to tergite VI short flabellate. On unknown host. China............................................ A. takahashii Tao, 1947

– Ant. segm. III sometimes swollen on basal half, bearing more than 30 sens.; segm. IV and sometimes also segm. V with sec. sens. Embryo with dorsal body setae of various shapes. ................................................................................ 2

2. Ant. segm. III strongly swollen, bearing 60–84 sens.; urs about 1.0 times ht2; marginal papillae on pronotum and tergites I–V conspicuous; tergite VII with 4–5 setae. In embryo setae from pronotum to tergite VI minute, flabellate, about 4 µm long. On unknown host. East Malaysia. ....................................................................... A. mendeli sp. nov.

– Ant. segm. III not much or only moderately swollen, bearing 33–61 sens.; urs mostly longer than 1.0 times ht2; marginal papillae often absent or indistinct; tergite VII mostly with more than 5 setae............................................ 3

3. Urs relatively long, about 1.85–2.00 times ht2. In embryo siph. with minute setae in addition to marginal seta of tergite VI. ............................................................................................................................................................................ 4

– Urs relatively short, not more than 1.6 times ht2; in embryo siph. without setae, marginal seta of tergite VI minute or absent.............................................................................................................................................................................. 5

4. Urs about 2 times ht2; ant. segm. III rather strongly swollen, bearing over 50 sens. In embryo setae from pronotum to tergite VI elongate flabellate, 19–22 µm long. On Indigofera sp. and possibly Phyllanthus sp. India. .............................................................................................. A. indigoferae Ghosh, Ghosh & Raychaudhuri, 1971

– Urs about 1.85 times ht2; ant. segm. III weakly swollen, bearing about 30 sens. In embryo setae from pronotum to tergite VI short flabellate, 8 µm long. On Pithecolobium lucidum . Taiwan, Papua New Guinea. ..................................................................................................................... A. pithecolobii Takahashi, 1934

5. Urs 1.5–1.6 times ht2. In embryo setae from pronotum to tergite VI flabellate, 11–15 µm long. On Rourea sp. and Xanthophyllum stipitatum . Singapore. ................................................................ A. murphyi Martin & Agarwala, 1994

– Urs at most 1.35 times ht2. ............................................................................................................................................... 6

6. Urs 1.20–1.35 times ht2. (Larger aphids, body length 1.50–1.85).................................................................................. 7

– Urs 1.05–1.13 times ht2. (Smaller aphids, body length 1.27–1.41). ............................................................................... 8

7. Pronotum with about 15 setae, 19–23 µm long, marginals in groups. Patch on tergites VI/VII almost coalescing with sclerotic patch of preceding tergites. In embryo setae from pronotum to tergite VI minute, 6 µm long, peg-like, apices without cusps or indentations. On unknown host. China. .................................................................. A. essigi sp. nov.

– Pronotum with about 9 setae, 8–15 µm long, marginals in single pairs. Patch on tergites VI/VII not coalescing with those of preceding tergites. In embryo setae from pronotum to tergite VI 15 µm long, flabellate. On Dalbergia ferruginea . Philippines...................................................................................... A. philippinense Martin & Agarwala, 1994 1

8. Ant. segm. V without secondary sens. On tergite VII a pair of short, sublateral processes 16 µm long. Sclerotic patch on tergites VI/VII almost coalescing with sclerotic patch of proceding tergites. In embryo setae from pronotum to tergite VI 6–8 µm long, flabellate. 2 On Dalbergia hupeana . China. ...................... A. scleroticum Qiao & G.X. Zhang, 2001

– Ant. segm. V with 1–3 secondary sens. Tergite VII without processes. Sclerites of tergites VI/VII not coalescing with those of preceding tergites. In embryo setae from pronotum to tergite VI minute, 4 µm long, peg-like or with incrassate denticulate apices. On Dalbergia spp. West Malaysia and China ( Hong Kong). ................................................................................................................. A. tiomanense Martin & Agarwala, 1994