Selection for chemical trait remixing in an invasive weed after reassociation with a coevolved specialist

Popcode

Latitude

Longitude

Species

2006

2007

A

45°48.711

170°36.209

H. sphondylium

Reservoir Rd., along stream next to golf course. 18 of 181 plants infested.

B

45°49.036

170°36.519

H. sphondylium

Borlases Rd. 12/12 plants infested.

C

45°49.587

170°36.665

H. sphondylium

Borlases Rd. 6/12 plants infested.

D

45°49.044

170°36.933

H. sphondylium

Blueskin Rd. 10/14 plants infested.

E

45°48.730

170°37.093

H. sphondylium

Trailhead to Scott Memorial, Blueskin Rd. 13/21 plants infested.

F

45°47.345

170°36.752

H. sphondylium

4.1 km from Borlases Rd. intersection on Blueskin Rd. 1/1 plants infested in 2006.

G

45°49.743

170°35.658

H. sphondylium

Rt. 88 from Port Chalmers to Dunedin, near District Rd. intersection. 20/32 plants infested.

H

45°51.940

170°33.439

H. sphondylium

Intersection of Ohau St. 1/8 infested in 2006.

I

45°47.327

170°39.533

H. sphondylium

McAndrew Rd. North along coast from Port Chalmers, 6.7 km from PC. 0/5 infested.

J

45°47.837

170°38.067

H. sphondylium

McAndrew Rd. North along coast from Port Chalmers, 3.2 km from PC. 4/24 infested.

K

45°48.302

170°37.648

H. sphondylium

McAndrew Rd. North along coast from Port Chalmers, 1.5 km from PC. 6/14 plants infested.

L

45°48.766

170°37.256

H. sphondylium

McAndrew Rd. North along coast from Port Chalmers, 0.1 km from PC. 4/8 plants infested.

X

45°58.690

170°09.604

H. sphondylium

South from Dunedin on Highway 1. 24.6 km from Brighton/Abbottsford exit. 0/19 plants infested.

AA

45°49.057

170°36.908

H. sphondylium

Between railroad tracks and road into Port Chalmers. Many hundreds of plants. 67% infested.

P

45°52.841

170°28.314

H. sphondylium

Stone Rd., private residence with 0/15 plants infested.

Q

45°49.372

170°35.457

H. sphondylium

Large field near Port Chalmers, very low infestation (no access).

V

45°40.215

170°37.931.

H. sphondylium

Small population, no webworms.

BB

44° 07.909

171° 18.234

P. sativa

Rt. 1, left side of road, just north of Orari. 17 large wild parsnips, no webworms. Seeds collected.

Z

45°14.115

170°46.881

P. sativa

North on Highway 1 1.1 km before town of Herbert. No webworms in 2006. Approximately 100 plants on both sides of road. Seeds collected.

Not visited.

Bush

45° 8.588

170° 46.305

P. sativa

Rt. 1 4 km south of Shag Point. No webworms in 2006 or 2007. Seeds collected.

634 parsnips in 2007, no webworms. Seeds collected.

45°24.881

170°46.565

Lumber

45°53.757

170°26.913

P. sativa

Mcleod Rd., Near GotaGolf site. 83/83 plants infested. Seeds collected.

41 plants, all heavily infested. Seeds collected.

Crimp

45°54.318

170°26.516

P. sativa

Crimp St., on railroad right-of-way. All 65 plants infested. Seeds collected.

33/33 infested. Seeds collected.

Townley

45°53.597

170°27.428

P. sativa

NW intersection of Townley Rd. and Kaikorai Rd. All 116 plants infested. Seeds collected

83 plants, all infested. Seeds collected.

War

45°42.343

170°36.238

P. sativa

Intersection of Coast Road and railroad near Warrington.54% or 31 plants mildly infested. Seeds collected.

All 32 plants infested. Seeds collected.

Ocean

45°41.209

170°36.926

P. sativa

Coast Rd. between Seacliff and Warrington. 5.3 km from Warrington exit on highway 1. No webworms in very large population. Seeds collected.

126 plants total

17/25 infested. Seeds collected.

Cottage

45°41.025

45°37.184

170°37.608

170°38.820

P. sativa

Coast road 7 km from Warrington exit on Highway 1. No webworms among hundreds of plants. Seeds collected.

210 plants, 1 infested. Seeds collected.

Rock

45°39.483

45°35.350

170°38.505

170°36.227

P. sativa

Coast Rd. 1.5 km South of Karitane. Large population, no webworms. Seeds collected.

144 plants total, 52/74 infested. Seeds collected.

Y

43°40.510

172°27.883

P. sativa

Intersection of Goodericks and Sergeants Rds., south of Lincoln. No webworms. Seeds collected.

T

45°40.952

170°37.623

P. sativa and H. sphondylium

Along railroad tracks in Seacliff. No webworms. Seeds collected.