Encarsia

Geng, Hui & Li, Cheng-De, 2016, Five new species of genus Encarsia Förster from China (Hymenoptera: Aphelinidae), Zootaxa 4162 (3), pp. 535-549 : 536

publication ID

https://doi.org/ 10.11646/zootaxa.4162.3.7

publication LSID

lsid:zoobank.org:pub:27697FCD-BDAE-4256-85E6-8B22C1DD0E67

DOI

https://doi.org/10.5281/zenodo.6079512

persistent identifier

https://treatment.plazi.org/id/FE17F410-FFBC-FFDB-FF03-FF6127E4F93F

treatment provided by

Plazi

scientific name

Encarsia
status

 

Key to Chinese species of Encarsia View in CoL View at ENA with a clear asetose area around the stigmal vein of the fore wing (females)

1 Mid tarsus 4-segmented (including individuals with the last two segments partly fused and indicated by a transverse suture) ( Figs 5, 6, 7 View FIGURES 4 – 8 , 13, 14 View FIGURES 9 – 16 ), tarsal formula 5:4:5................................................................... 2

- Mid tarsus distinctly 5-segmented ( Figs 21 View FIGURES 17 – 22 , 27 View FIGURES 23 – 30 , 36 View FIGURES 31 – 38 ), tarsal formula 5:5:5.......................................... 3

2(1) Scutellar sensilla widely separated (by about 7–8× own maximum width) ( Fig. 3 View FIGURES 1 – 3 ); distance between anterior pair of scutellar setae distinctly greater (1.25–1.57×) than that between posterior pair ( Fig. 3 View FIGURES 1 – 3 ); ovipositor distinctly shorter (0.58–0.7×) than mid tibia................................................................... E. dianensis Li & Geng , sp. nov.

- Scutellar sensilla narrowly separated (by about their own maximum width) ( Fig. 11 View FIGURES 9 – 16 ); distance between anterior pair of scutellar setae distinctly less (0.7×) than that between posterior pair ( Fig. 11 View FIGURES 9 – 16 ); ovipositor longer (1.15–1.19×) than mid tibia...................................................................................... E. hayati Li & Geng , sp. nov.

3(1) Longest marginal fringe of fore wing about as long as or longer than maximum wing width ( Figs 20 View FIGURES 17 – 22 , 26 View FIGURES 23 – 30 )................. 4

- Longest marginal fringe of fore wing distinctly less than maximum wing width ( Fig. 34 View FIGURES 31 – 38 )............................. 9

4(3) Petiole smooth, without sculpture ( Fig. 22 View FIGURES 17 – 22 ); mid lobe of mesoscutum with 2 setae ( Fig. 19 View FIGURES 17 – 22 ); clava 2-segmented ( Fig. 18 View FIGURES 17 – 22 )................................................................................... E. biseta Li & Geng , sp. nov.

- Petiole with sculpture ( Fig. 29 View FIGURES 23 – 30 ); mid lobe of mesoscutum with 4 setae ( Fig. 25 View FIGURES 23 – 30 ); clava 3-segmented ( Fig. 24 View FIGURES 23 – 30 ).............5

5(4) Distance between scutellar sensilla a little less than maximum width of a sensillum ( Fig. 25 View FIGURES 23 – 30 ); distance between anterior pair of scutellar setae distinctly less (0.52×) than that between posterior pair ( Fig. 25 View FIGURES 23 – 30 ); basal cell of fore wing asetose ( Fig. 26 View FIGURES 23 – 30 ); F2 a little longer than F1 ( Fig. 24 View FIGURES 23 – 30 ); body almost entirely pale yellow ( Fig. 28 View FIGURES 23 – 30 )................... E. huangi Li & Geng , sp. nov.

- Distance between scutellar sensilla at least 2× maximum width of a sensillum; distance between anterior pair of scutellar setae equal to or greater than that between posterior pair; basal cell of fore wing with 1 or 2 setae; F2 not longer than F1; body at least partly brownish................................................................................... 6

6(5) Gaster almost entirely brown to dark brown, only apex of T7 yellow.............................................. 7

- Gaster almost entirely yellow or pale brown................................................................ 8

7(6) Submarginal vein of fore wing with 1 seta.......................................... E. lounsburyi (Berlese & Paoli) View in CoL

- Submarginal vein of fore wing with 2 setae..................................................... E. citrina (Craw) View in CoL

8(6) Body robust, broad ( Huang & Polaszek 1998, fig. 74); fore wing disc relatively densely setose ( Huang & Polaszek 1998, fig. 71); scutellar sensilla relatively closely placed, separated by little more than twice their maximum width ( Huang & Polaszek 1998, fig. 74)............................................................ E. curtifuniculata Huang & Polaszek View in CoL

- Body slender ( Huang & Polaszek 1998, fig. 136); fore wing disc less densely setose ( Huang & Polaszek 1998, fig. 135); scutellar sensilla more widely spaced ( Huang & Polaszek 1998, fig. 136)................. E. gracilens Huang & Polaszek View in CoL

9(3) Head dark brown with pale lines; mesosoma with axillae completely dark brown.............. E. longifasciata Subba Rao View in CoL

- Head mostly or entirely pale yellow to yellow; mesosoma with axillae completely yellow or at most slightly brownish at apex................................................................................................... 10

10(9) Mid lobe of mesoscutum with either 8(4+2+2) or 10(4+2+2+2) setae............................................ 11

- Mid lobe of mesoscutum at most with 4(2+2) setae.......................................................... 12

11(10) Fore wing clearly infuscated below marginal vein; mesoscutum dark anteriorly.................... E. nipponica Silvestri View in CoL

- Fore wing not infuscated below marginal vein, a small dark spot at stigmal vein and parastigma; mesoscutum entirely pale........................................................................................ E. gerlingi Viggiani View in CoL

12(10) Mid lobe of mesoscutum with 2 setae ( Fig. 33 View FIGURES 31 – 38 ); each side lobe of mesoscutum with 2 setae ( Fig. 33 View FIGURES 31 – 38 ); F2 with 1 longitudinal sensillum ( Fig. 32 View FIGURES 31 – 38 ); third valvula 0.36–0.4× as long as second valvifer................... E. yunnana Li & Geng , sp. nov.

- Mid lobe of mesoscutum either with 4 setae or asetose; each side lobe of mesoscutum with 1 seta; F2 without longitudinal sensilla; third valvula at least 0.5× as long as second valvifer..................................................... 13

13(12) Mid lobe of mesoscutum asetose; F1 about as long as F2; marginal fringe of fore wing distinctly longer than half wing width (0.75–0.85×)..................................................................... E. aseta Hayat & Polaszek View in CoL

- Mid lobe of mesoscutum with 4 setae; F1 distinctly shorter than F2; marginal fringe of fore wing about half wing width (0.47– 0.6×).............................................................................................. 14

14(13) Head yellow with clypeus margin brownish; F3 a little longer than F1+F2; ovipositor shorter than, or up to 1.1× length of the mid tibia, but distinctly shorter than mid tibia and basitarsus combined............................. E. mineoi Viggiani View in CoL

- Head entirely yellow; F3 distinctly shorter than F1+F2; ovipositor a little longer than mid tibia and basitarsus combined................................................................................ E. flavescens Huang & Polaszek View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Aphelinidae

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