Phigalia strigataria
(Minot, 1869)
Small Phigalia Moth
A small ( Geometridae) native to North America. Males are winged and active in early spring, while females are wingless. The exhibits a nearly identical to the Spring Cankerworm (Paleacrita vernata), with which it shares geographic range and seasonal timing. do not feed; larvae are the and feeding stage.
Pronunciation
How to pronounce Phigalia strigataria: //faɪˈɡeɪliə ˌstrɪɡəˈtɛəriə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Males are small, winged with cryptic coloration typical of geometer moths. Females are entirely wingless. Distinguished from the similar Spring Cankerworm (Paleacrita vernata) by subtle morphological differences; both are early spring geometers with wingless females. Positive identification may require examination of genitalia or expert confirmation.
Images
Habitat
Woodlands and forests.
Distribution
North America, recorded from North Dakota south to Texas and eastward. Ranges east of the Rocky Mountains in both the United States and Canada.
Seasonality
Winter and early spring . active from late winter through early spring, with timing similar to Spring Cankerworm.
Life Cycle
Females are wingless. First instar caterpillars disperse by ballooning on silk threads to reach plants. Overwinters as pupa. One per year.
Behavior
Males fly to artificial lights at night. First instar larvae use silk strands for wind (ballooning) to locate plants.
Similar Taxa
- Paleacrita vernata (Spring Cankerworm)Nearly identical , geographic distribution, and seasonal timing; both are early spring geometer moths with wingless females