Galling Aphids (Hemiptera: Aphidoidea) in China: Diversity and Host Specificity
Figure 1
(a) A gall of Adelges sp. on Picea crassifolia (Huangzhong, Xining, Qinghai, China; 8 July 2009): pineapple-like, multiple-cavity, closed. (b) Galls of Acanthochermes similiquercus Jiang, Huang & Qiao on a leaf of Quercus sp. (Baoding, Panzhihua, Sichuan, China; 15 April 2005): spherical, single-cavity, some matured ones are open. (c) Galls of Tetraneura (Tetraneurella) nigriabdominalis (Sasaki) on a leaf of Ulmus sp. (Hulun Buir, Inner Mongolia, China; 1 August 2004): spindle-shaped, single-cavity, closed. (d) A pseudogall of Epipemphigus imaicus (Cholodkovsky) on Populus cathayana (Shangri-La, Yunnan, China; 27 July 2010): silkworm-like, single-cavity, open on the undersurface of the leaf. (e) A gall of Pemphigus bursarius (Linnaeus) on a petiole of Populus simonii (Miyun, Beijing, China; 25 July 2009): bag-like, single-cavity, with a natural lateral opening. (f) A gall of Pemphigus immunis Buckton on a twig of Populus sp. (Miyun, Beijing, China; 25 July 2009): long saccate, single-cavity, closed. (g) A dumpling-shaped leaf-fold pseudogall of Thecabius (Oothecabius) populi (Tao) on Populus ussuriensis (Miyun, Beijing, China; 25 July 2009). (h) A gall of Chaetogeoica foliodentata (Tao) on the leaf midrib of Pistacia weinmannifolia (Qishan, Baoji, Shaanxi, China; 12 July 2004): cockscomb-like, single-cavity, closed. (i) A gall of Tuberaphis owadai Kurosu & Aoki on a twig of Styrax japonica (Yuanyang, Kunming, Yunnan, China; 10 June 2009): coral-like, single-cavity, with many small openings on the projections. (j) Galls of Asiphonipponaphis vasigalla Chen, Sorin & Qiao on the leaf midribs of Distylium chinense (Jishou, Hunan, China; 15 April 2010): vase-shaped, single-cavity, open on the bottom. (k) A gall of Metanipponaphis sp. on a petiole of Distylium chinense (Jishou, Hunan, China; 6 September 2009): global, single-cavity, closed. (l) Galls of Neothoracaphis yanonis (Matsumura) on the leaves of Distylium chinense (Jishou, Hunan, China; 21 May 2009): spherical with a pointed bottom, protruding from both sides of the leaves, single-cavity, closed. (m) A gall of Nipponaphis sp. on a twig of Distylium chinense (Jishou, Hunan, China; 5 September 2009): bottle-shaped, single-cavity, closed. (n) Leaf rolls caused by Hyalopterus pruni (Geoffroy) on Prunus armeniaca (Huangzhong, Xining, Qinghai, China; 8 July 2009). (o) Leaf rolls and swellings caused by Cryptosiphum artemisiae Buckton on Artemisia sp. (Miyun, Beijing, China; 25 July 2009).
