Ponderosa-pine
Guides
Athoplastus acutus
Athoplastus acutus is a species of click beetle (family Elateridae) endemic to the northwestern United States. First described as Aplastus acutus by Knull in 1946, it was later transferred to the genus Athoplastus by Etzler & Johnson in 2018. Among the four species in its genus, it is the most frequently collected and has the broadest known range. It is the only species in the genus with confirmed larval associations and ecological field observations.
Caenochrysis deversor
Caenochrysis deversor is a species of cuckoo wasp in the family Chrysididae. The genus Caenochrysis comprises small, brilliantly metallic wasps that are parasitoids of other insects. Members of this genus are known to parasitize larvae of various hymenopteran hosts, particularly other wasps. The species was documented in the southwestern United States during field observations in ponderosa pine forests.
Dioryctria baumhoferi
Dioryctria baumhoferi is a species of snout moth in the family Pyralidae, described by Carl Heinrich in 1956. The species is known from Arizona and California in the southwestern United States. Larvae feed on twigs of ponderosa pine (Pinus ponderosa). The species belongs to a genus commonly referred to as coneworm moths, though the specific feeding habits of D. baumhoferi on twigs rather than cones distinguishes it from some congeners.
Euxoa costata
Euxoa costata is a noctuid moth species found in the Pacific Northwest of North America. It is particularly abundant in ponderosa pine forests east of the Cascade Mountains. The species has a wingspan of approximately 34 mm. Like other members of the genus Euxoa, it is a nocturnal species attracted to light.
Givira lotta
Pine Carpenterworm Moth
Givira lotta, commonly known as the pine carpenterworm moth, is a species of carpenter moth in the family Cossidae. First described in 1910, it is native to the southwestern United States where it inhabits pine forests. The species is notable for its specific association with ponderosa pine as a larval host.
Grammoptera haematites
flower longhorn beetle
Grammoptera haematites is a small longhorn beetle in the subfamily Lepturinae. It belongs to the flower longhorn group, which are commonly found on flowers and woody vegetation. The species was described by Newman in 1841 and occurs in North America.
Hypotrix ferricola
Hypotrix ferricola is a noctuid moth species described by Smith in 1905. It is distinguished by a striking orange and black streaked forewing pattern with visible orbicular and reniform spots. The species occurs in southern North America and is closely associated with ponderosa pine forests. Adults are active from early April to early August, with multiple generations possible.
Lecontia discicollis
Burnt Conifer Bark Beetle
Lecontia discicollis is a distinctive conifer bark beetle in the family Boridae, the sole member of its genus in North America. It is a slow-moving, jet black beetle with a convex, bullet-like shape and bead-like antennae. The species is strongly associated with fire-killed conifers, particularly ponderosa pine, where adults and larvae occupy a narrow ecological niche in moist, white-rotted wood near and below ground level. Despite being locally common in suitable habitat, it is rarely encountered due to its specialized requirements.
Pogonomyrmex tenuispinus
Pogonomyrmex tenuispinus is a species of harvester ant in the genus Pogonomyrmex. Like other members of this genus, it is a seed-collecting ant native to arid regions. The species was described by Auguste Forel in 1914. As a harvester ant, it likely participates in seed dispersal and ecosystem engineering through nest construction, though specific ecological studies for this species are limited.
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Trichocnemis is a genus of longhorn beetles (Cerambycidae) in the subfamily Prioninae. The genus contains two species distributed in western North America: Trichocnemis pauper and Trichocnemis spiculatus (the ponderosus borer). Historically, species of Trichocnemis have often been treated as members of the genus Ergates, but modern taxonomic treatments separate them based on morphological differences including head size, mandible shape, and antennae length. The larvae of T. spiculatus are notable wood-borers in ponderosa pine and inspired improvements to chainsaw design.
Trichocnemis spiculatus neomexicanus
New Mexican ponderous borer
Trichocnemis spiculatus neomexicanus is a subspecies of the ponderous borer, a large prionine longhorn beetle native to western North America. The larvae are among the largest of any North American cerambycid, developing in dead or dying coniferous wood—particularly ponderosa pine. Adults are nocturnal and attracted to lights. This subspecies was described by Casey in 1890 and occurs in the southwestern United States and Mexico. The species has gained notoriety as the inspiration for modern chainsaw design, after Joe Cox observed the larva's opposable mandibles in action.
Zopherus nodulosus haldemani
Texas Ironclad Beetle
Zopherus nodulosus haldemani, commonly known as the Texas Ironclad Beetle, is a subspecies of ironclad beetle in the family Zopheridae. These beetles are renowned for their exceptionally hard, heavily sclerotized exoskeletons that make them notoriously difficult to pin for collection. The species exhibits nocturnal activity patterns, with adults frequently observed on tree trunks at night. The subspecies name honors American entomologist Samuel Stehman Haldeman.