Glendora Natural History Website Data Compiled by Dick Swinney
Image used for spacing

The Cerambycid Beetles of Glendora California

All specimens collected by Dick Swinney unless otherwise stated
copyright December 2006

Specimens identified by Joseph Beierl and Richard Cunningham


Family Cerambycidae - Long-horned Beetles
Subfamily Parandrinae - Aberrant Long-horns

Parandra marginicollis marginicollis Schaeffer, 1929
Rare
9 on July 21, 1988, 0.8 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., under bark of dead Coulter Pine Pinus coulteri
1 on Aug. 10, 1992, 0.5 mi. E. of Big Dalton Cnyn. Rd. in Pavil Cnyn., under bark of dead White Alder Alnus rhombifolia
1 on Aug. 18, 1992, 1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at various lights
1 on Aug. 5, 1994, 617 N. Vermont. Ave., house lights
1 on Feb. 15, 2004, 1.1mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., under bark of dead White Alder Alnus rhombifolia, with Cody Clarke
1 on Mar. 25, 2004, 1.5 mi. N. of Big Dalton Cnyn. Rd. in Little Dalton Cnyn., under bark of dead White Alder Alnus rhombifolia, leg. Roland Hernandez with the author, in collection of author
1 on July 18, 2004, Azusa Pacific Univ. (W.), at lights
1 on July 25, 2005, Azusa Pacific Univ. (W.), at lights, daylight

Subfamily Prioninae - Tooth-necked Long-horns

Ergates pauper Linsley, 1957
Rare
6 Emerged in late June 1995, from wrotting log of Quercus agrifolia collected on Feb. 20,1995, 1.1 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd.,
1 on July 21, 1998, 1.4 mi., N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., found dead on the ground
1 on Aug. 11, 1992, 1.1 mi. NE of GMR at BDCRd., at light near stream

Ergates spiculatus
LeConte, 1851
Rare, introduced?
1 on Sep. 30, 1995, at Von’s supermarket at N.E. corner of Foothill & Grand, in window, collector Lyn Sieligt, in author’s collection, likely emerged from fire wood sold at Vons

Subfamily Cerambycinae -Round-necked Long-horns

Aneflomorpha lineare LeConte, 1859
Rare
1 on Aug. 31, 1988, Big Dalton Cnyn. Debris Basin, at black light
1 on Aug. 8, 1989, 0.7 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
4 on Aug. 4-18, 1992, 1.0 mi. N. E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Sep. 14, 1994, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Apr. 14, 2002, 0.8 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light

Aneflomorpha parowana
Casey, 1924
Rare
1 on Sep. 21, 1992, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
2 on Aug. 24, 1993, 1.1 mi. N.E. of Glendora Mt. Rd. at Wilderness Cabin restrooms, at likghts
1 on July 2, 1994, Big Dalton Cnyn. Debris Basin, at black light
1 in Sep., 1995, Big Dalton Cnyn., at black light
2 on July 12, 2002, 1.1 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light

Megobrium edwardsi LeConte, 1873
Rare
3 on Oct. 7,1988, 1.2 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn Rd., mouth of Pavil Cnyn., various lights
1 on Sep. 14, 1992, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Oct. 20, 1995, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Mar. 3, 1996, 1.1 mi. N.E. of Glendora Mt. Rd. at Wilderness Cabin restroom in commode under lights

Megonoplion imbelli LeConte, 1881
Rare
2 on Aug. 11, 1992, 1.0 mi. N.E. of Glendora Mt. Rd.at Big Dalton Cnyn. Rd., at black light
1 on Aug. 18, 1992, 1.0 mi., N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at lights

Methia sp.
This genus has not yet been differentiated into species in our area
31 specimens, May-Sep., 1988- 2002, Big Dalton Cnyn., at black/mercury-vapor lights

Neoclytus sp.
determined by author
Rare
1 in 2002, 617 N. Vermont Ave., dead on the ground
1 on Sep. 13, 2004, Azusa, Azusa Pacific Univ. west campus, dead at lights

Paranoplium gracile gracile LeConte, 1881
Abundant throughout
May-Sep., 1988-2006, at lights

Phoracantha semipunctata Fabricius, 1775 Eucalyptus Long-horn Borer
Rare, populations restricted to Eucalyptus trees
1 on Sep. 11, 1992, Louis Pompei Sports Park, S. & adjacent to 210 Frwy., landed on city maintenance crew while cutting Eucalyptus wood, leg. Jerry Greeran, in author’s collection
1 on July 26, 2004, Azusa, Azusa Pacific Univ. west campus, at lights, daytime

Phoracantha recurva
determined by author
Uncommon, populations restricted to Eucalyptus trees
1 on Feb. 17, 1996, Glendora, on Eucalyptus fire wood, leg. Gerry Greeran, in author’s collection
2 on Apr. 27, 1998, South Hills Wilderness Area, South Hills Trail & Ellwood Ave., Eucalyptus wood collected in early Apr., 1998
11 in Mar.-Aug., 2004-2006, Azusa, Azusa Pacific Univ., West Campus, at lights

Phymatodes lecontei
Linsley, 1938
Common
May-Aug., 1988-2006, throughout, at lights

Purpuricenus dimidiatus LeConte, 1884
Rare
1 on July 13, 1992, 0.2 mi. E. of Big Dalton Cnyn. Rd. in Pavil Cnyn., alive on ground



Styloxus fulleri ssp. californicus Fall, 1901
Rare
1 on Sep. 4, 1988, 0.8 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on July 5, 1992, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Aug. 11, 1992, 1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Sep. 14, 1992, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light

Tragidion penninsulare
ssp. californicum Linsley, 1940
Rare
1 on July 21, 1998, 1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., in leaf litter on road shoulder

Xyltrechus nauticus Mannerheim, 1843
Abundant
Mar.-Aug., 1994-2005, throughout, all emerged from collected Coast Live Oak Quercus agrifolia wood

Subfamily Lepturinae - Flower Long-horns

Anastrangalea laetifica LeConte, 1859,
Rare
2 on Apr. 15, 1989, 0.9 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., under bark of dead Coulter Pine Pinus coulteri
15 from P. coulteri wood collected on Feb. 19, 1994; 1 in March, 1994 on Pinus coulteri at 0.9 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd.

Centrodera spurca LeConte, 1857
Rare
1 on July 25, 1967, 1.1 mi. N.E. of Glendora Mt. Rd. at Wilderness Cabin lights
1 on July 22, 1969, 1.1 mi. N.E. of Glendora Mt. Rd. at Wilderness Cabin lights
1 on June 27, 1992, 0.8 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
3 on July 5, 1992, 1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on July 14, 1992,1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on Aug. 4, 1992, 1.0 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on July 12, 2002, 1.1 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light

Centrodera tenera Casey, 1913
Rare
1 on Mar. 7, 1989, 100 yds. N. of Sierra Madre Ave. at Glendora Ave. , at lights
1 on June 20, 1989, 0.8 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light

Cortodera falsa LeConte, 1860
Rare
1 on May 21, 1988, 1.4 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., at black light
1 on May 25, 1993, jnct. of Big Dalton Cnyn. Rd. & Glendora Mt. Rd., on Penstemon spectabilis flowers.

Cortodera sp.
determined by author
Rare
3 on Mar. 31, 1994, 0.3 mi. E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., on flowers of Yucca whipplei ssp. parishii

Judolia sexpilota LeConte, 1859
Uncommon
May-June, 1990-2004, South Hills Wilderness Area, Big Dalton Wilderness Park., net sweep on flowers, on Bull ThistleCirsium vulgare, Golden Yarrow Eriophyllum confertiflorum ssp. confertiflorum

Neobellamira delicata ssp. australis Linsley & Chamsak, 1976
Rare
1 on May 18, 1993, 0.4 mi. E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., on flowers of Eryophyllum confertiflorum ssp. confertiflorum

Strangalia sp.
determined by author

Subfamily Lamiinae - Flat-faced Long-horns

Ipochus fasciatus LeConte, 1852
Uncommon, confined to California Walnut Juglans californica
Mar.-Aug., 1989-2004, South Hills & north foothill area, at lights

Lophogogonius crinitus LeConte, 1873
Rare
1 on Aug. 18, 1992, 1.1 mi. N.E. of Glendora Mt. Rd. at Big Dalton Cnyn. Rd., over stream, at black light


Tetraopes sublaevis Casey, 1913
Rare
10 on June 28, 1989, upper Gordon Cnyn., on Asclepias eriocarpa
5 on Aug. 3, 1993, 0.7 mi. N. of Big Dalton Cnyn. Rd. in Mystic Cnyn., on Asclepias eriocarpa