Moths of North Carolina
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Scientific Name:
Common Name:
Family (Alpha):
ACROLEPIIDAE-
ADELIDAE-
AMPHISBATIDAE-
AUTOSTICHIDAE-
BATRACHEDRIDAE-
BEDELLIIDAE-
BLASTOBASIDAE-
BOMBYCIDAE-
BUCCULATRICIDAE-
CARPOSINIDAE-
CHOREUTIDAE-
COLEOPHORIDAE-
COSMOPTERIGIDAE-
COSSIDAE-
CRAMBIDAE-
DEPRESSARIIDAE-
DREPANIDAE-
ELACHISTIDAE-
EPERMENIIDAE-
EPIPYROPIDAE-
EREBIDAE-Erebid Moths
ERIOCRANIIDAE-
EUTELIIDAE-
GALACTICIDAE-
GELECHIIDAE-
GEOMETRIDAE-
GLYPHIDOCERIDAE-
GLYPHIPTERIGIDAE-
GRACILLARIIDAE-
HELIOZELIDAE-
HEPIALIDAE-
HYBLAEIDAE-
INCURVARIIDAE-
LASIOCAMPIDAE-
LECITHOCERIDAE-Long-horned Moths
LIMACODIDAE-
LYONETIIDAE-
MEGALOPYGIDAE-Flannel Moths
MICROPTERIGIDAE-
MIMALLONIDAE-
MOMPHIDAE-Mompha Moths
NEPTICULIDAE-
NOCTUIDAE-Owlet Moths
NOLIDAE-
NOTODONTIDAE-
OECOPHORIDAE-
OPOSTEGIDAE-
PELEOPODIDAE-
PLUTELLIDAE-
PRODOXIDAE-
PSYCHIDAE-Bagworm Moths
PTEROPHORIDAE-
PYRALIDAE-
SATURNIIDAE-Saturniids
SCHRECKENSTEINIIDAE-
SESIIDAE-
SPHINGIDAE-Sphinx Moths
THYATIRIDAE-
THYRIDIDAE-
TINEIDAE-
TISCHERIIDAE-
TORTRICIDAE-
URANIIDAE-
URODIDAE-
XYLORYCTIDAE-
YPONOMEUTIDAE-
YPSOLOPHIDAE-
ZYGAENIDAE-
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Momphidae Members:
Mompha albocapitella
Mompha annulata
Mompha argentimaculella
Mompha bottimeri
Mompha brevivittella
Mompha cephalanthiella
Mompha circumscriptella
Mompha eloisella
Mompha new species near brevivittella
Mompha passerella
Mompha solomoni
Mompha stellella
Mompha terminella
Mompha unidentified species
Mompha
Members:
Mompha albocapitella
Mompha annulata
Mompha argentimaculella
Mompha bottimeri
Mompha brevivittella
Mompha cephalanthiella
Mompha circumscriptella
Mompha eloisella
Mompha new species near brevivittella
Mompha passerella
Mompha solomoni
Mompha stellella
Mompha terminella
Mompha unidentified species
12 NC Records
Mompha stellella
Busck, 1906 - No Common Name
view caption
An adult that was reared from a larva that was boring in an Oenothera biennis flower.
view caption
A view of three flower buds of Oenothera biennis with short, swollen pedicels that indicate that a boring larva is inside. Note the normal flower at the top with an elongated, thin pedicel.
view caption
The late-instar larvae are reddish as seen here.
Taxonomy
Superfamily:
Gelechioidea
Family:
Momphidae
Subfamily:
Momphinae
P3 Number:
59a1852
MONA Number:
1455.00
Comments:
The genus
Mompha
consists of around 46 described species in North America. In addition, numerous species remain to be described that are centered in the southwestern US (Bruzzese et al., 2019). The adults are small moths that have two or more tufts of raised scales on each forewing. The larvae either mine leaves, or bore into the stems, flower buds, flowers, or fruits of their hosts. The majority of species feed on members of the Onagraceae, but others feed on species in the Cistaceae, Lythraceae, Melastomataceae, and Rubiaceae.
Identification
Field Guide Descriptions:
Online Resources:
MPG
,
BugGuide
,
iNaturalist
,
Google
,
BAMONA
,
GBIF
,
BOLD
Technical Description, Adults:
(Busck, 1906)
Technical Description, Immature Stages:
Microleps.org
Adult Markings:
The following description is based primarily on the original description by Busck (1906). The antenna is uniformly dark brown. The labial palp is whitish ocherous with scattered black scales, and have a black annulation just before the tip of the terminal joint. The face is silvery white, and the head and thorax are light ocherous. The forewing is light ocherous and mottled with brown and black scales. The costal edge is mottled with black, and the entire apical part of the wing is sprinkled with sparse black scales. There are two oblique, ill-defined and indistinct shades of light brown stretching across the wing, one from near the base, and the other from the middle of the costa. There are six tufts of raised ocherous scales in two longitudinal rows, one through the middle of the wing, and the other below the fold. The central tuft is the largest of them. A conspicuous elongated patch of black scales is present on the inner margin that begins just beyond the middle tuft of raised scales. The abdomen is ocherous, and the legs are ocherous with black mottling.
This and other
Mompha
species can be difficult to identify since there are numerous undescribed species. Rearing of adults from the distorted flower buds on Common Evening-primrose is the best way to confidently identify specimens of
M. stellella
. Some of the key features of this species based of reared adults are a relatively uniformly colored antenna, a broad light zone on the basal fifth of the wing, a blackish and often somewhat rectangular patch along the dorsal margin just beyond one-half (between the second and third patch of raised scales), and the third segment of the palp that has a conspicuous subterminal black annulus (often with one or more additional bands proximally). More rearing records are needed to better document phenotypic and geographic variation that occurs across the range of this species, and particularly in North Carolina.
Wingspan:
11-12 mm (Busck, 1906).
Adult ID Requirements:
Identifiable from good quality photos of unworn specimens.
Immatures and Development:
The larvae are specialized borers in the flowers of Common Evening-primrose (
Oenothera biennis
). Females lay eggs on the developing flower buds or surrounding leaves. The hatchlings initially feed on the outside tissue, then bore inward and consume the style, stigma, stamens and the inner folded parts of the petals (Dickerson and Weiss, 1920). This causes the flower to become distorted, and to have an exceptionally short and wide pedicel and ovary base. The petals often do not develop fully or open. When full grown, the larva cuts a small round hole in one side of the bud, crawls out, and drops to the ground where it constructs an elongate, white cocoon, either on top of or slightly beneath the surface. Particles of soil and debris are fastened to the outer surface so that the cocoon is effectively hidden. The early instar larvae are rather nondescript with faint whitish tan coloration. The later instars develop pinkish brown coloration. The anterior part of each body segment is darker and more boldly colored than the posterior section, which results in a somewhat banded appearance. Pupation occurs in mid to late summer. The adults emerge shortly thereafter, although part of the brood may overwinter in the cocoons.
Larvae ID Requirements:
Identifiable from good quality photos, especially where associated with known host plants.
Distribution in North Carolina
Distribution:
Mompha stellella
is found in eastern North America in southern Canada (Ontario; Quebec) and the eastern US. Local populations are most common in the northeastern US and become more scattered farther west and south. This species ranges as far west as Missouri and as far south as Florida. In North Carolina, almost all of our records as of 2022 are from the lower mountains where all but one are based on rearing records or observations of distorted flower buds. We have one record from the Coastal Plain (Fort Macon State Park) that is currently assigned to this species.
County Map:
Clicking on a county returns the records for the species in that county.
Flight Dates:
High Mountains (HM) ≥ 4,000 ft.
Low Mountains (LM) < 4,000 ft.
Piedmont (Pd)
Coastal Plain (CP)
Click on graph to enlarge
Immature Dates:
High Mountains (HM) ≥ 4,000 ft.
Low Mountains (LM) < 4,000 ft.
Piedmont (Pd)
Coastal Plain (CP)
Click on graph to enlarge
Flight Comments:
Local populations appear to be univoltine and oviposit when the host plant comes into bloom, typically from late July through early September.
Habitats and Life History
Habitats:
Mompha stellella
appears to be monophagous on Common Evening-primrose (
Oenothera biennis
), which is an early successional species that exploits open, disturbed habitats. Typical habitats include roadsides, construction sites, agricultural fields and edges, and powerline corridors.
Larval Host Plants:
Common Evening-primrose (
Oenothera biennis
) is the only known host. -
View
Observation Methods:
The adults are attracted to lights. We recommend searching for the distorted flowers on Evening-primroses and rearing the adults.
Wikipedia
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks:
GNR SU
State Protection:
Comments:
This species was only recently documented in the state and may be more common than previously thought based on our recent success in locating populations based on the presence of distorted
Oenothera
flowers.
Photo Gallery for
Mompha stellella
- No common name
Photos: 16
Recorded by: Jim Petranka on 2023-08-19
Madison Co.
Comment:
Recorded by: Jim Petranka on 2023-08-19
Madison Co.
Comment:
Recorded by: Jim Petranka and Becky Elkin on 2023-08-16
Macon Co.
Comment:
Recorded by: Jim Petranka and Becky Elkin on 2023-08-16
Macon Co.
Comment:
Recorded by: Jim Petranka on 2022-08-21
Madison Co.
Comment: Distorted flower buds were on Oenothera biennis; frass and larvae were inside.
Recorded by: R. Newman on 2021-11-10
Carteret Co.
Comment:
Recorded by: Jim Petranka on 2020-09-24
Madison Co.
Comment: An adult that was reared from a distorted flower on Oenothera biennis. The mine was collected on Aug. 25; the adult emerged on Sept 24.
Recorded by: Jim Petranka on 2020-09-24
Madison Co.
Comment: An adult that was reared from a distorted flower on Oenothera biennis. The mine was collected on Aug. 25; the adult emerged on Sept 24.
Recorded by: Jim Petranka on 2020-09-19
Madison Co.
Comment: An adult that was reared from a distorted flower on Oenothera biennis. The mine was collected on Aug. 25; the adult emerged on Sept 19.
Recorded by: Jim Petranka on 2020-09-19
Madison Co.
Comment: An adult that was reared from a distorted flower on Oenothera biennis. mine collected on Aug. 25; adult emerged on Sept 19.
Recorded by: Jim Petranka on 2020-08-30
Buncombe Co.
Comment: Flower buds of Oenothera biennis with short, swollen pedicels.
Recorded by: Jim Petranka and Becky Elkin on 2020-08-25
Buncombe Co.
Comment: Flower buds of Oenothera biennis with short, swollen pedicels that contained larvae.
Recorded by: Jim Petranka on 2020-08-25
Madison Co.
Comment: A view of a flower buds of Oenothera biennis with short, swollen pedicels that indicate that a boring larva is inside each bud. Note the normal flower at the top with an elongated, thin pedicel.
Recorded by: Jim Petranka on 2020-08-25
Madison Co.
Comment: A late-instar larva that was dissected from a flower bud (see companion photo).
Recorded by: Jim Petranka on 2020-08-23
Madison Co.
Comment: An early-instar larva that was dissected from a flower bud (see companion photo).
Recorded by: Jim Petranka on 2020-08-23
Madison Co.
Comment: A view of a flower bud of Oenothera biennis with a short, swollen pedicel. See companion photo of a larva that was dissected from this.