Table 1 Baiting locations and observations from field sampling

1. Ban-y-gor, Gloustershire

51.6678° N

2.6703° W

28/08/17

[30]

No Phortica collected.

(Deciduous woodland containing Quercus spp. Baited oak with small drying sap run. Overcast day with cool ambient temperatures).

2. New Forest, Hampshire

50.8421° N

1.5147° W

29/08/17

[25]

Three Phortica (1M, 2F) collected by sweep net.

(Oak woodland. Sunny day with warm ambient temperature).

3. High Standing Hill, Windsor Forest

51.4694° N

0.6714° W

30/08/17

[28]

One Phortica (F) collected by sweep net.

(Deciduous woodland containing Quercus spp. Initially warm sunny day with conditions deteriorating to rainy and overcast with cool ambient temperatures).

4. Collin’s Wood Nature Reserve, Gloucestershire

51.9477° N

2.3682° W

04/09/17

Model-predicted^a

No Phortica collected.

(Suitable habitat identified: deciduous woodland containing Quercus spp. and commercial apple orchard adjacent. Baited oak with large fragrant sap run. Overcast day with warm ambient temperatures and humid conditions).

5. Castle Neroche, Somerset

50.9360° N

3.0342° W

05/09/17

Model-predicted^a

No Phortica collected.

(Suitable habitat identified: Oak forest. Wet and windy conditions with cool ambient temperatures).

6. Rendlesham Forest, Suffolk

52.0799° N

1.4329° E

06/09/17

Model-predicted^a

No Phortica collected.

(Suitable habitat identified: Oak forest. Sunny day with warm ambient temperatures).