Table 1 Larval parasitoids and parasitism rates observed from fruit collections in China and Japan in 2015, 2016 and 2017.

From: The parasitoid complex of D. suzukii and other fruit feeding Drosophila species in Asia

Locality

Fruit

Month of collection

Other Drosophila sp. (%)*

Larval parasitoids and parasitism rates (%)

Ganaspis cf. brasiliensis

Leptopilina japonica

Leptopilina sp.

Asobara spp.

Tanycarpa chors

Areotetes striatiferus

Total parasitism (n insects)

China - Yunnan

Kunming - YAU

Prunus cerasoides

June 2015

5.1 (Dp)

42.0

10.9

52.9 (174)

Shiping

Myrica rubra

June 2015

3.5 (Dp)

1.7

0.7

2.4 (537)

Dali

Prunus cerasoides

May 2016

1.8 (Dp)

1.8

1.8 (224)

Kunming – West Mountain

Prunus (Cerasus) sp.

May 2016

6.7 (Dp)

1.4

1.4 (142)

Panzihua

Prunus (Cerasus) sp.

Apr 2016

0.0

2.1

2.1 (373)

Fumin

Myrica rubra

July 2016

74.5 (Dp)

0.4

11.8

35.9

6

54.1 (566)

Wenshan

Myrica rubra

June 2016

0.0

12.6

34.5

6.9

54.0 (87)

Kunming – West Mountain

Myrica rubra

July 2016

0.0

25.0

17.2

7.2

1.8

51.2 (615)

Dali

Sambucus williamsii

July 2016

55.3 (Dp)

1.2

1.0

2.3 (483)

Kunming - Snake Mountain

Solanum nigrum

July 2016

0.0

5.9

5.9

29.4

41.2 (17)

Wenshan

Rubus sp.

Sept 2016

73.5 (Dp)

2.0

7.0

9 (199)

Qujing

Lonicera maacki

Sept 2016

83.7 (Dp)

1.8

1.8

0.6

4.3 (326)

Kunming

Lonicera maacki

Sept 2016

65.0 (Dp)

8.7

4.3

13 (23)

Kunming – West mountain

Prunus (Cerasus) sp.

May 2017

14.0 (Dp)

0 (150)

Kunming - Snake mountain

Rubus sp.

May 2017

26.7 (Dp)

0 (56)

Kunming - YAU

Rubus ellipticus (?)

May 2017

90.0 (Dp)

18.2

4.5

22.7 (22)

Kunming – Xining temple

Prunus (Cerasus) sp.

May 2017

8.4 (Dp)

5.2

4.6

9.8 (504)

Fumin

Myrica rubra

June 2017

0.0

6.8

2.3

  

9.1 (88)

Fumin mountain

Prunus (Cerasus) sp.

June 2017

92.2 (Dp)

16.8

3.6

0.2

20.6 (552)

Fumin mountain

Princepia utilis

June 2017

92.5 (Dp)

9.5

9.5 (74)

China - Beijing

Jiu Mountain

Prunus (Cerasus) sp.

June 2016

2.3 (Dsp)

0.2

1.0

0.04

1.2 (8114)

Lija Farm

Prunus (Cerasus) sp.

June 2016

0.0

1.6

1.6

3.3 (366)

Yiangtai Mountain

Prunus (Cerasus) sp.

June 2016

0.0

10.8

19.9

30.7 (251)

China - Sichuan

Dazhou

Prunus (Cerasus) sp.

May 2016

−(Dp)#

2.7

15.2

0.4

2.1

20.4 (816)

China - Hubei

Xiaoguan

Coriaria nepalensis

June 2016

100.0 (Dsp)

9.7

3.2

12.9 (31)

China - Jilin

Changchun

Vaccinium spp.

Aug 2017

0.0

0.0 (2298)

Wanliang

Rubus sp.

Aug 2017

0.0

0.0 (15)

Quanyang

Rubus sp.

Aug 2017

0.0

0.0 (116)

Liaoyuan

Vaccinium sp.

Aug 2017

0.0

0.0 (147)

Japan

Tokyo

Prunus serrulata

June 2015

0.0

7.5

0.2

1.2

8.9 (402)

Tokyo

Prunus serrulata

June 2016

0.0

26.3

1.5

 

27.8 (205)

Nara

Morus sp.

June 2016

0.0

75.6

75.6 (127)

Tsukuba

Prunus serrulata

June 2016

0.0

4.4

4.4 (45)

Yoshigadaira

Vaccinium spp.

Aug 2017

0.0

0.0 (95)

Hasuike

Vaccinium spp.

Aug 2017

24.0 (Dsp)

9.9

1.8

 

2.5

14.2 (566)

Yamanouchi

Prunus (Padus) sp.

Aug 2017

7.7 (Dsp)

0.0 (13)

  1. Only samples that produced at least one larval parasitoid and more than 10 adults (D. suzukii + parasitoids) and for which quantitative data on parasitism are available are shown. Samples with no parasitism are shown for 2017 only. Parasitism rates were calculated, for each sample, by dividing the number of individuals of one or all parasitoid species by the total number of parasitoid and Drosophila spp. adults that emerged from the sample.
  2. *Percentage of other Drosophila spp. in the sample, based on emerging adult flies.
  3. Dp = Drosophila pulchrella; Dsp = Drosophila subpulchrella. Other Drosophila spp. accounted for less than 1% in all samples and were not included in the calculations.
  4. #D. pulchrella present but not quantified.
  5. Includes at least three species; see text.