New York Natural Heritage Program
Black-dotted Ruddy
Ilexia intractata (Walker, [1863])
Insects

Identifying Characteristics [-]
This species has a wingspan of 2.1-3.1 cm. Covell (1984) describes the wings as deep orange to dull reddish- brown. There are three dark, indistinct lines. The postmedial line on the forewing is irregular with outwardly whitish dots. All wings have sharply-defined black discal dots (Covell 1984). The body color of the caterpillar ranges from green to brown. The green form can be somewhat translucent. It is free of warts or any other swellings. Mature larvae are under 2.5 cm (Wagner et al. 2001).

Best Life Stage for Proper Identification [-]
Adult.

Diet [-]
The larval foodplant is Holly (Ilex spp.). American holly may be the only host in the Northeast (Wagner et al. 2001).
Black-dotted Ruddy Images
click to enlarge
The Best Time to See
This species is most abundant as adults in July. Schweitzer (1998) states that they are present from March to December in New Jersey with peaks in July and October.
J F M A M J J A S O N D
Present Active
The time of year you would expect to find Black-dotted Ruddy present (blue shading) and active (orange shading) in New York.