Cacopsylla

Luo, Xinyu, Li, Fasheng, Ma, Yanfang & Cai, Wanzhi, 2012, A revision of Chinese pear psyllids (Hemiptera: Psylloidea) associated with Pyrus ussuriensis, Zootaxa 3489, pp. 58-80 : 59

Key to Cacopsylla adults associated with Pyrus ussuriensis in China

1. Fore wing without marking near apex of claval suture…....................................................... 2

-. Fore wing with dark brown or black marking near apex of claval suture…......................................... 5

2. Genal process distinctly shorter than vertex along median suture ( Fig. 44 ); fore wing covered by large brown pattern ( Fig. 51 ) which occupies cells cu2, cu1, m2, m1, apical 1/5 of r2 and apical angle of r1, cell m1 rather short and wide; paramere with blunt apical tooth projecting caudad ( Fig. 48 )................................................. C. (Hepatopsylla) liaoli

-. Genal process about as long as vertex along median suture; fore wing without extended pattern indicated above, cell m1 relatively long and narrow; apical tooth of paramere projecting cephalad.......................................... 3

3. Fore wing with strongly contrasting surface spinules; paramere broad, with anterior margin expanding into a narrow elongate lobe ( Figs 11, 13 ); female proctiger relatively long, setae rather short, apical part with many peg setae (in profile, over 50 on one side) ( Fig. 14 )........................................................ C. (Thamnopsylla) burckhardti sp. n.

-. Surface spinules of fore wing not contrasting; paramere relatively slender, without conspicuous extension; female proctiger relatively short, with several pairs of long setae, apical part with fewer peg setae (in profile, 20–30 on one side)........... 4

4. Body large, brown, more or less greenish; paramere relatively tubular, apex horn-shaped and relatively acute, several long, thick and erect setae growing from small tubercles present in anterior margin ( Figs 3, 5 ); female anus small, clearly less than half proctiger length ( Fig. 6 )............................................................ C. (C.) accincta sp. n.

-. Body small, yellow to green; paramere relatively lamellar, apex tooth-shaped, without the setae mentioned above in anterior margin ( Figs 22, 24 ); female anus large, about half as long as proctiger ( Fig. 25 )....................................................................................................... C. (Hepatopsylla) chinensis [summer form]

5. Paramere relatively slender, apex tooth-shaped and moderately projecting cephalad ( Figs 22, 24 , 35, 37 ); female subgenital plate without pattern ( Figs 25 , 38 )........................................................................ 6

-. Paramere relatively robust, apex rounded and projecting caudad ( Figs 54, 56 , 62, 64 ); female subgenital plate with very solid dark brown pattern ( Figs 57 , 65 ).......................................................................... 7

6. Genal processes moderately divergent ( Fig. 20 ); marking near apex of claval suture of fore wing small, without light grey oblong marking in cell cu2 ( Fig. 29 ); female proctiger weakly concave dorsally ( Fig. 25 )................................................................................................. C. (Hepatopsylla) chinensis [winter form]

-. Genal processes strongly divergent ( Fig. 33 ); marking near apex of claval suture large, with indistinct light grey oblong marking in cell cu2, contacting with marking near apex of claval suture ( Fig. 40 ); female proctiger sinuous dorsally ( Fig. 38 ).................................................................... C. (Hepatopsylla) cinereosignata sp. nov.

7. Genal process robust ( Fig. 52 ); fore wing oblong oval and clear, surface spinules present only in cell cu2 ( Fig. 59 ); abdominal segments uniformly colored; female proctiger rising upward basally ( Fig. 57 )................ C. (Hepatopsylla) maculatili

-. Genal process slender ( Fig. 60 ); fore wing oval, apical 2/3 appearing yellowish, surface spinules present in all cells ( Fig. 67 ); terga of abdominal segments III–V dark brown, differing from other light yellow segments; female proctiger not rising upward basally ( Fig. 65 ).................................................................... C. (Hepatopsylla) qiuzili

Figures

FIGURES 44 – 51. Cacopsylla (Cacopsylla) liaoli (Yang & Li, 1981), adult. 44. Head, antennae removed; 45. microscopic structure of denoted part of vertex; 46. male terminalia, without distal aedeagus segment; 47. distal aedeagus segment; 48. inner view of paramere; 49. female terminalia, inner valvulae removed; 50. antennal segment X; 51. fore wing. Scale: for 44, 0.16 mm; for 45, 0.064 mm; for 46, 47 & 49, 0.2 mm; for 48 & 50, 0.32 mm; for 51, 0.6 mm.

FIGURES 9 – 16. Cacopsylla (Thamnopsylla) burckhardti sp. nov., adult. 9. Head, antennae removed; 10. microscopic structure of denoted part of vertex; 11. male terminalia, without distal aedeagus segment; 12. distal aedeagus segment; 13. inner view of paramere; 14. female terminalia, inner valvulae removed; 15. antennal segment X; 16. fore wing. Scale: for 9, 0.16 mm; for 10, 0.064 mm; for 11, 12 & 14, 0.2 mm; for 13 & 15, 0.32 mm; for 16, 0.75 mm.

FIGURES 1 – 8. Cacopsylla (Cacopsylla) accincta sp. nov., adult. 1. Head, antennae removed; 2. microscopic structure of denoted part of vertex; 3. male terminalia, without distal aedeagus segment; 4. distal aedeagus segment; 5. inner view of paramere; 6. female terminalia, inner valvulae removed; 7. antennal segment X; 8. Fore wing. Scale: for 1, 0.16 mm; for 2, 0.064 mm; for 3, 4 & 6, 0.2 mm; for 5 & 7, 0.32 mm; for 8, 0.475 mm.

FIGURES 20 – 29. Cacopsylla (Hepatopsylla) chinensis (Yang & Li, 1981), adult. 20. Head, antennae removed; 21. microscopic structure of denoted part of vertex; 22. male terminalia, without distal aedeagus segment; 23. distal aedeagus segment; 24. inner view of paramere; 25. female terminalia, inner valvulae removed; 26. antennal segment X of summer form; 27. antennal segment X of winter form; 28. fore wing of summer form; 29. fore wing of winter form. Scale: for 20, 0.16 mm; for 21, 0.064 mm; for 22, 23 & 25, 0.2 mm; for 24, 26 & 27, 0.32 mm; for 28 & 29, 0.3 mm.

FIGURES 33 – 40. Cacopsylla (Hepatopsylla) cinereosignata sp. nov., adult. 33. Head, without antennae; 34. microscopic structure of denoted part of vertex; 35. male terminalia, without distal aedeagus segment; 36. distal aedeagus segment; 37. inner view of paramere; 38. female terminalia, inner valvulae removed; 39. antennal segment X; 40. fore wing. Scale: for 33, 0.16 mm; for 34, 0.064 mm; for 35, 36 & 38, 0.2 mm; for 37 & 39, 0.32 mm; for 40, 0.55 mm.

FIGURES 52 – 59. Cacopsylla (Hepatopsylla) maculatili (Li, 2011), adult. 52. Head, antennae removed; 53. microscopic structure of denoted part of vertex; 54. male terminalia, without distal aedeagus segment; 55. distal aedeagus segment; 56. inner view of paramere; 57. female terminalia, inner valvulae removed; 58. antennal segment X; 59. fore wing. Scale: for 52, 0.16 mm; for 53, 0.064 mm; for 54, 55 & 57, 0.2 mm; for 56 & 58, 0.32 mm; for 59, 0.45 mm.

FIGURES 60 – 67. Cacopsylla (Hepatopsylla) qiuzili (Li, 2011), adult. 60. Head, antennae removed; 61. microscopic structure of denoted part of vertex; 62. male terminalia, without distal aedeagus segment; 63. distal aedeagus segment; 64. inner view of paramere; 65. female terminalia, inner valvulae removed; 66. antennal segment X; 67. fore wing. Scale: for 60, 0.16 mm; for 61, 0.064 mm; for 62, 63 & 65, 0.2 mm; for 64 & 66, 0.32 mm; for 67, 0.6 mm.