Plagiognathus pemptos, SCHUH, 2001

SCHUH, RANDALL T., 2001, Revision Of New World Plagiognathus Fieber, With Comments On The Palearctic Fauna And The Description Of A New Genus (Heteroptera: Miridae: Phylinae), Bulletin of the American Museum of Natural History 2001 (266), pp. 1-267 : 190

Plagiognathus pemptos , new species Figures 11 , 18 , 30

HOLOTYPE: Male: ‘‘ USA: MONTANA: Park Co.: Colter Cmpgrd., 2 mi. E of Cooke City on Rt. 212, 8000 ft., Aug. 11, 1986, Schuh, Schwartz, and Stonedahl, Picea engelmannii Parry (Pinaceae) ’’. Deposited in the American Museum of Natural History.

DIAGNOSIS: Recognized by the moderately small size, the generally dark coloration, including appendages, often including tibiae, the weakly, transversely rugose posterior lobe of the pronotum, and the dark, nonshining vestiture on dorsum (fig. 11). Similar in size and coloration to laricicola (fig. 8), piceicola (fig. 11), and suffuscipennis (fig. 13: suffuscipennis 2) from the Rocky Mountain system, but those species easily separated by their possession of golden, shining, simple setae on the dorsum; distribution of laricicola nonoverlapping. Also similar in size and general coloration to fenderi (fig. 7), but that species separated by the somewhat shaggy, silvery, shining vestiture, anteocular distance nearly 2 times diameter of antennal segment 1, and the conspicuously pale veins in the membrane.

DESCRIPTION: Male: Moderately small, ovoid; total length 3.24–3.55, length apex clypeus–cuneal fracture 2.18–2.47, width across pronotum 0.98–1.10. COLORATION (fig. 11): General coloration, including appendages, dark brown or blackish brown; posterior margin of vertex at least vaguely pale; membrane fumose, vein demarcating posterior margin of cells pale; corium weakly pale adjacent to extreme basal area of membrane; corium narrowly and weakly pale at cuneal fracture; antennae dark (fig. 18) except antennal segment 1 with a pale apical annulus; metathoracic scent­gland evaporatory area sometimes at least partially pale; portions of legs generally not so intensely dark as body; tibiae moderately to heavily infuscate, tibial spines with dark spots at bases; tibiae dark at articulation with femora. SURFACE AND VESTITURE: Dorsum weakly granular, smooth, weakly shining; posterior lobe of pronotum weakly transversely rugulose. Vestiture of dorsum composed of recumbent, dark, dull, simple setae. STRUCTURE: Body elongate ovoid, broadest point somewhat anterior to cuneal fracture; frons moderately tumid and weakly bulging beyond anterior margin of eyes in dorsal view, clypeus visible from above; anteocular distance equal to diameter of antennal segment 1; head projecting below eye by 1.3 times diameter of antennal segment 1; labium reaching to near apex of hind coxae. GENITALIA (fig. 30): Body of vesica relatively short and stout, apical spines oriented 45° to body of vesica, posterior vesical spine nearly straight and erect relative to body of vesica, anterior spine longer than posterior and obliquely angled relative to body of vesica; flange curving, projecting beyond body of vesica, terminating well below base of secondary gonopore.

Female: Body more strongly ovoid than in male; coloration as in male. Total length 3.28–3.46, length apex clypeus–cuneal fracture 2.29–2.42, width across pronotum 1.05– 1.08.

ETYMOLOGY: Named for its original informal designation as ‘‘new species number five’’. From the Greek pemptos , fifth.

HOSTS: Abies spp. and Picea spp. (Pinaceae) . Available records from Pinus spp. do not suggest that members of that genus serve as breeding hosts.

DISTRIBUTION: Montane western North America, ranging from Alberta in the north to Arizona in the south.

PARATYPES: CANADA.— Alberta: Banff National Park, Banff­Jasper Hwy, August 25, 1970, L. A. Kelton, Picea sp. (Pinaceae) , 15♀ (CNC). Banff National Park, Banff­Jasper Hwy, August 25, 1970, L. A. Kelton, Picea sp. (Pinaceae) , 13, 1♀ (CNC). Kananaskis Road, July 27, 1974, L. A. Kelton, 13, 1♀ (CNC). British Columbia : Glacier National Park, July 15, 1970, L. A. Kelton, 13, 1♀ (CNC). Glacier National Park, Rogers Pass, July 31, 1970, L. A. Kelton, Picea sp. (Pinaceae) , 33, 7♀ (CNC). Kinaskan Lake, July 22, 1983, G. G. E. Scudder, 2♀ (CNC). Oliver, July 19, 1970, L. A. Kelton, 13 (CNC). Osoyoos, Anarchist Mt., July 13, 1970, L. A. Kelton, 33, 1♀ (CNC). Ross­ land, July 11, 1970, L. A. Kelton, 23, 4♀ (CNC). Stanley, August 22, 1932, W. G. Mathers, 1♀ (CNC). Yoho Natl. Park, July 16, 1970, L. A. Kelton, 13 (CNC). USA.— Arizona: Apache Co. : 2 mi N of Alpine, August 16, 1982, J. C. Schaffner, Picea pungens (Pinaceae) , 13, 2♀ (TAMU). Colorado: Chaffee Co.: Monarch Pass, San Isabel National Forest, 10,500 ft, August 28, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 23, 2♀ (CNC). Clear Creek Co.: Below Mt. Goliath, 11,200 ft, August 21, 1982, D. A. and J. T. Polhemus, 13 (JTP). below Mt. Goliath, 11,200 ft, August 21, 1986, D. A. and J. T. Polhemus, Abies lasiocarpa ( Pinaceae ), 73, 13♀ (JTP). Echo Lake, Arapaho National Forest, July 28, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 33, 4♀ (CNC). Juniper Pass picnic grounds, 11,000 ft, August 7, 1987, T. J. Henry, Picea engelmanni (Pinaceae) , 73 (USNM). Mt. Goliath area, 11,200 ft, August 21, 1986, R. T. Schuh and J. T. Polhemus, Pinus aristata (Pinaceae) , 33 (AMNH). Gilpin Co.: East Portal, Roosevelt Natl. Forest, August 31, 1972, L. A. Kelton, Picea sp. (Pinaceae) , 23, 7♀ (CNC). Gunnison Co.: Kebler Pass, Gunnison National Forest, 10,000 ft, August 27, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 2♀ (CNC). Jackson Co.: Muddy Pass, Routt Natl. Forest, 8600 ft, August 19, 1968, L. A. Kelton, 13 (CNC). Larimer Co.: Fall River Road, Rocky Mountain National Park, 9500 ft, August 16, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 13 (CNC). Mesa Co. : Jumbo, Grand Mesa Natl. Forest , 9800 ft, August 25, 1968, L. A. Kelton, 23 (CNC). Pitkin Co.: Aspen, White River Natl. Forest, August 24, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 123, 12♀ (CNC). Routt Co.: Meadows, Routt National Forest, August 20, 1968, L. A. Kelton, Picea sp. (Pinaceae) , 13, 6♀ (CNC). San Juan Co.: Silverton, 9600 ft, August 11, 1900, F. M. Carpenter, 1♀ (AMNH). Summit Co.: 5.6 mi W of Jct Hwy 91 on I­70, August 14, 1980, G. Stonedahl, Picea engelmanni (Pinaceae) , 13, 2♀ (AMNH). Idaho: Caribou Co.: 8 mi E of Wayan, 1 mi E of milepost 101 on Rt 34, 6000 ft, July 30, 1981, M. D. Schwartz, Abies lasiocarpa ( Pinaceae ), 73, 3♀ (AMNH). 8 mi E of Wayan, 1 mi E of milepost 101 on Rt 34, 6000 ft, July 30, 1981, M. D. Schwartz, Picea engelmanni (Pinaceae) , 43, 4♀ (AMNH). Franklin Co.: Strawberry Canyon, 0.5 mi N of milepost 18 on Rt 36, T13S, R41E Sec 1, 8000 ft, July 19, 1981, M. Schwartz, Pinus contorta (Pinaceae) , 1♀ (AMNH). Williams Canyon, milepost 20 on Rt 36, T12S R42 Sec 30, 8000 ft, July 19, 1981, M. D. Schwartz, Abies lasiocarpa ( Pinaceae ), 33, 2♀ (AMNH). Idaho Co.: Lochsa River Valley, E of Wldrnss Acc. Campground (milepost 127), 2400 ft, August 1, 1987, G. M. Stonedahl, Picea sitchensis (Pinaceae) , 1♀ (AMNH). Montana: Gallatin Co.: Moose Flat Campground, 26 mi S Bozeman Hot Springs, Rt 191, 5700 ft, August 10, 1986, Schuh, Schwartz and Stonedahl, Pinus contorta (Pinaceae) , 2♀ (AMNH). Park Co.: 2 mi E of Cooke City on Rt 212, Colter Campground, Gallatin Natl. Forest, 8000 ft, August 1, 1994, M. D. Schwartz, Abies lasiocarpa ( Pinaceae ), 33, 5♀ (CNC). 2 mi E of Cooke City on Rt 212, Soda Butte Campground, Gallatin Natl. Forest, 7700 ft, August 11, 1986, Schuh, Schwartz, Stonedahl, 13 (AMNH). Colter Campground, 2 mi E Cooke City on Rt 212, 8000 ft, August 11, 1986, Schuh, Schwartz, Stonedahl, Abies lasiocarpa ( Pinaceae ), 93, 4♀ (AMNH, USNM). Colter Campground, 2 mi E Cooke City on Rt 212, 8000 ft, August 11, 1986, Schuh, Schwartz, Stonedahl, Picea engelmanni (Pinaceae) , 23, 10♀ (AMNH). Rt 212 at Wyoming border, 7750 ft, August 11, 1986, Schuh, Schwartz, Stonedahl, Abies lasiocarpa ( Pinaceae ), 23 (AMNH). Oregon: Baker Co.: 20 mi E of Medical Springs, Wallowa Mts, W. Eagle Meadow, 4700 ft, August 3, 1986, Schuh, Schwartz, Stonedahl, Picea engelmanni (Pinaceae) , 373, 41♀ (AMNH, USNM). Benton Co.: Mary’s Peak, R7W T12S Sec. 19, SE ¼, 3250 ft, August 3, 1979 – September 9, 1979, G. M. Cooper, Abies procera (Pinaceae) , 3♀ (AMNH). Clackamas Co.: Mt. Hood, 1 mi below Tim Ld., September 9, 1976, J. D. Lattin, 1♀ (OSU). Hood River Co.: 3.2 mi N of Barlow Pass Summit Mt. Hood, R9E T3S Sec. 15, NW ¼, 4460 ft, September 5, 1979, G. M. Cooper, Abies procera (Pinaceae) , 13, 1♀ (AMNH). Union Co.: 4.5 mi E of Tollgate, Woodland Campground, 5000 ft, August 4, 1986, Schuh, Schwartz and Stonedahl, 2♀ (AMNH). Wallowa Co.: Wallowa­Whitman Natl. Forest, Miram Lake Trail, 5590–7370 ft, August 18, 1979, M. D. Schwartz, Pinus contorta (Pinaceae) , 3♀ (AMNH). Wallowa­ Whitman Natl. Forest, T4S, R44E, Sec. 6, Lostine Canyon Trail, 5584 ft, August 19, 1979, M. D. Schwartz, Abies sp. ( Pinaceae ), 33, 3♀ (AMNH). Utah: Box Elder Co. : Raft River Mts., 5 mi SW of Clear Creek Campground, 6200–8000 ft, July 31, 1981, M. D. Schwartz, Abies lasiocarpa ( Pinaceae ), 23, 1♀ (AMNH). Cache Co.: 14 mi S on Forest Service Road 055 off UT Rt 89, T13N R4E S15, 8000 –9000 ft, July 25, 1981, Schwartz, Abies lasiocarpa ( Pinaceae ), 13 (AMNH). Wasatch Co.: 30 mi SE of Kamas on Rt 35, Uintah Natl. Forest, Wolf Creek Campground, T4S R10W Sec 7, 9000 ft, August 15, 1986, Schwartz and Stonedahl, Abies lasiocarpa ( Pinaceae ), 1♀ (AMNH). 30 mi SE of Kamas on Rt 35, Uintah Natl. Forest, Wolf Creek Campground, T4S R10W Sec 7, 9000 ft, August 15, 1986, Schwartz and Stonedahl, Picea engelmanni (Pinaceae) , paratypes: 33, 1♀ (AMNH). Washington: Chelan Co.: Wenatchee National Forest, Larch Lakes, 5500 ft, August 24, 1979, Schwartz, Abies sp. ( Pinaceae ), 43, 5♀ (OSU). Okanogan Co.: Washington Pass Meadow, 5400 ft, August 11, 1978, Lattin, paratypes:43, 10♀ (OSU). Yakima Co.: 3 mi E of Dog Lake on Hwy 12, August 23, 1979, G. Stonedahl, Abies amabilis (Pinaceae) , 1♀ (AMNH).

Figures

Fig. 11. Habitus figures of Nearctic Plagiognathus spp. (see p. 263 for localities).

Fig. 18. Antennal segments 1 and 2 of Nearctic Plagiognathus spp.

Fig. 30. Male genitalia of Nearctic Plagiognathus spp. ser = serrate.