Lonicerae russoi Gagné,

Gagné, Raymond J., 2016, Three new genera and three new species of Nearctic Lasiopteridi (Diptera: Cecidomyiidae: Cecidomyiinae) from Asteraceae and Caprifoliaceae, and the tribe Rhopalomyiini subsumed under Oligotrophini, Zootaxa 4158 (3), pp. 403-418: 413

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Lonicerae russoi Gagné

new species

Lonicerae russoi Gagné  , new species

Figs 5View FIGURES 4 – 6, 19–31View FIGURES 19 – 27View FIGURES 28 – 30View FIGURES 31 – 32.

Description. Adult: Wing ( Fig. 5View FIGURES 4 – 6) length: male 3.7–3.9 (n=3, avg.=3.8); female 3.7–3.9 mm (n=5, avg.=3.8). Head as in Figs. 19–20View FIGURES 19 – 27, palpus 2-segmented, antennal flagellomeres as in Figs 21–22View FIGURES 19 – 27. Anepimeron with 28–32 setae (n=5). Male terminalia as in Figs 26–27View FIGURES 19 – 27. Female abdomen as in Figs 25View FIGURES 19 – 27, 31View FIGURES 31 – 32.

Pupa. Anterior segments ( Fig. 28View FIGURES 28 – 30) as in the generic description.

Larva, third instar ( Figs 29–30View FIGURES 28 – 30): Length, 3.5 mm (n=1). Spatula as in Fig. 29View FIGURES 28 – 30. Papillae as for generic description.

Material examined. HOLOTYPE: male, from Lonicera hispidula, Alameda Co.  , California, 22.ii.2005, R. Russo    . Paratypes: 2 males, 5 females, 2 pupae, 1 pupal exuviae, and 1 larva, same data as holotype  .

Etymology. This species is named for Ronald A. Russo  in recognition of his contributions to the study of galls of western North America. Formerly Chief Naturalist, East Bay Regional Park District, Alameda and Contra Costa Counties in California, he now resides in Bellingham, Washington. He is the author of Field Guide to Plant Galls of California and other Western States ( Russo  2007).

Distribution. The type specimens were reared from galls found in Alameda Co., California. R. Russo  (in litt.) found similar galls also in Mendocino Co., California.

Life history. Lonicerae russoi  is responsible for a green, leafy rosette bud gall ( Fig. 1View FIGURES 1 – 3, this paper, and plate 238 of Russo  (2007)) on Lonicera hispidula  . Russo  (2007) reported that galls usually appear several together at the tips of shoots, but may occur singly also. Individual galls may be 10 mm high by 8 in diameter and the clusters 30 mm in diameter. Individual leaves or bracts covering the galls are about 3 mm wide. White hairs protrude from edges of the bracts and more densely from the center of each gall. The individual larval chambers are 4 mm long by 2 mm in diameter. Larvae were pupating in late February when the galls were found and adults emerged in late February to early March. The gall is one of at least three distinct bud galls on Lonicera  spp. in California ( Russo  2007), including that of L. lonicera  ( Fig. 2View FIGURES 1 – 3, this paper; also Fig. 241, Gagné (1989) and plate 236, Russo  (2007)), from L. subspicata  in southern California.