Asphondylia

Dorchin, Netta, Joy, Jeffrey B., Hilke, Lukas K., Wise, Michael J. & Abrahamson, Warren G., 2015, Taxonomy and phylogeny of the Asphondylia species (Diptera: Cecidomyiidae) of North American goldenrods: challenging morphology, complex host associations, and cryptic speciation, Zoological Journal of the Linnean Society 174 (2), pp. 265-304: 273

publication ID

http://doi.org/ 10.1111/zoj.12234

persistent identifier

http://treatment.plazi.org/id/81198784-FF8F-FFEA-93CC-88F6FE19FBA2

treatment provided by

Felipe

scientific name

Asphondylia
status

 

KEY TO ASPHONDYLIA   GALLS ON NORTH AMERICAN GOLDENRODS

1. Bud gall.........................................................................................................................................2

– Leaf or inflorescence gall...................................................................................................................9

2. Gall in young Solidago altissima   sprouts (in April–May; Figs 1, 2 View Figures 1–6 )............................................................. ................................................................... Asphondylia monacha Osten Sacken, 1869   , spring generation

– Gall in apical (usually) or lateral bud of mature goldenrod spp. ............................................................... 3

3. Inconspicuous gall, up to 1 cm long, composed of two or three leaves that form a single chamber in shoot tips ( Fig. 19 View Figures 15–22 ) ......................................................................................................................................... 4

– Gall composed of many leaves that form a rosette, at least 4 cm wide ...................................................... 5

4. Gall on Solidago caesia   ................................................................................ Asphondylia silva   sp. nov.

– Gall on Solidago nemoralis   ............................................................................................ Asphondylia sp.  

5. Gall forms spherical structure, 5–8 cm in diameter, composed of many individual units, each with a central larval chamber ( Figs 3–6 View Figures 1–6 ) .......................................................................................................................... 6

– Gall not spherical, containing single, central chamber............................................................................7

6. On Solidago juncea   , Solidago erecta   , and Solidago uliginosa   ..................................................................... ................................................................. Asphondylia monacha Osten Sacken, 1869   , summer generation

– On Solidago sempervirens   and Solidago bicolor   ................................................................ Asphondylia spp.  

7. Gall dorsoventrally flat, up to 5 cm wide; on Solidago spp.   ( Figs 13, 14 View Figures 7–14 ) .................................................... 8

– Gall narrower, resembling, a rosebud when young; on Euthamia graminifolia   ( Fig. 17 View Figures 15–22 ).................................. ...................................................................................................... Asphondylia pseudorosa   sp. nov.

8. Gall on Solidago altissima   . .......................... Asphondylia solidaginis Beutenmüller, 1907   , summer generation

– Gall on Solidago rugosa   .......................................................................... Asphondylia rosulata   sp. nov.

9. Leaf gall, joining two or more adjacent leaves on various goldenrods.......................................................10

– Gall in inflorescence of Euthamia graminifolia   ........................................ Asphondylia pseudorosa   sp. nov.

10. Gall on Solidago spp.   ...................................................................................................................... 11

– Gall on Euthamia graminifolia   ............................................................. Asphondylia pseudorosa   sp. nov.

11. Gall on Solidago altissima   ....................................................... Asphondylia solidaginis Beutenmüller, 1907  

– Gall on Solidago rugosa   .......................................................................... Asphondylia rosulata   sp. nov.