Tennessee Catocala Chart
Black Underwings

Catocala #1, Woodbury, Tennessee, August 13, 2010, Carol Wolf

Catocala #2, Woodbury, Tennessee, August 13, 2010, Carol Wolf

This page is inspired by and dedicated to Carol Wolf of County, Tennessee.

I have omitted names from the two images at top of this page. because I wish to develop a key chart that will help with ids when only the forewings are visible.

Specimen #1

There are no prominent lines, dashes, streaks, bars or arcs on the forewing. These voids reduce possibilities to orba, judith, residua, obscura, robinsoni and agrippina.

The subterminal area The am line is thin, diffuse, consisting (from costa down) of a small pointed projection toward the apex, followed by a small squared off lobe, a large central lobe and a smaller lobe meeting the inner margin. The shape of the am line and its continuation from the costa to the inner margin eliminate orba,

Refer to Identification Keys image and terminology to better understand the descriptions.

Catocala species can be very difficult to identify. I have had a couple of people tell me they stopped collecting moths of this genus because they were too frustrated with the identification problems.

Many people, who do not collect the moths, do enjoy photographing them. I respect their decisions not to kill the moths, and I very much appreciate the many beautiful photos sent for id purposes.

Without wingspans or full view of the hindwings, identification can be even more difficult, so I have put together a chart to help me and others identify specimens when only a view of the forewings is available and no size is indicated.

The chart will probably only provide a best guess scenario in many cases.

Table I

Solid black underwings with no significant dark lines, dashes, streaks, bars or arcs on the forewings.

species:

orba


judith


residua


obscura
even dull, dark grey

robinsoni
some reddish-brown

agrippina


first key:

orba


judith


residua


evenly concolorous dull grey basal medial, subterminal areas; diffuse, dentate white subterminal line
even dull, dark grey

brown r-spot, brown in subterminal area
brown r-spot, brown in subterminal area

am and pm lines:

a very weak
p distinct, thin

a thin, weak
p one large proj.

a 4 lobes
p 2 dark tppd proj.

a very thin
p very thin

a
p

lines weak, fading near im

sub/reniform spots:

r: thin black outline
s: concolorous

r: some white
s: concolorous

r: concolorous
s: lighter, bulbed

r: black outline
s: concolorous, open

r:
s:

r:
s:

orba with two even black tipped projections in pml;

judith with upper proj. wider, longer, w/o dark tips


diffuse white, dentate sbtml line

diffuse whitish sbtml line







Table II

Solid black underwings with significant dark lines, dashes, streaks, bars or arcs on the forewings.

species:

miranda


andromedae


flebilis


angusi


epione


retecta


luctuosa
yellowish tinge

atocala


dejecta


significant marks:

diffuse dark bar in lower median area

continuous dark bar along inner margin

wide, oblique dark bar; w/o aa dash
w or w/o oblique bar; with aa dash
lines very dark, much brown scaling
series of thin dashes: basal, medial, aa
series of thin dashes: basal, medial, aa
dark basal & upper 1/2 median areas
white patch from r & sr spots to costa

am and pm lines:

aml weak
pml weak lower 2/3

am strong
pm w/o strong proj.

aml strong
pml strong, 2 proj.

aml and pml thin, but distinct

a oblique upper 2/3
p strong, short proj.

aml strong
pml thin but distinct

aml strong
pml thin but distinct

a oblique to sr
pml thin, distinct

aml thick upper half
pml thin but distinct

sub/reniform spots:

r: concolorous
s: open, concolorous

r: black outline
s: black spot by aml

r: large, distinct
s: light, open, even

r: brown filling
s: concolorous

r: brown
s: light color, closed

r: distinct
s: light, bulbed, op.

r: distinct
s: light, bulbed, op.

r: distinct, brown
s: large, closed

r: dark outlines
s: open pork chop

orba, Orba Underwing; 40-45mm; WO?; The forewing is a uniform grey with light lines and poorly defined spots. The hindwing underside is completely black. The hindwing fringe is unbroken and slightly off white, somewhat grey. Note absence of any dark bar in the median-subterminal area, paralleling the inner margin, near anal angle.

judith: This is one of the smaller "black" underwings. The forewing is a uniform light grey with thin and only slightly darkened antemedial, median and postmedial lines. There are no darkened dashes (slight anal dash) or transverse lines. The reniform area is slightly darkened while the area just before the subterminal line is a bit lighter.

catocala #1:

residua: The fw basal, medial and subterminal are concolorous dull grey, interrupted only by a diffuse, dentate, whitish subterminal line, outwardly highlighted with diffuse, darker scaling. The terminal area tends to be lighter, especially near the apex. The am and pm lines are thin but complete from costa to inner margin. Subreniform spot is hooked, open, and lighter than surrounding areas. When only the forewings are visible, the lighter subreniform spot and generally lighter terminal areas distinguish residua from obscura.

obscura: The fw basal, medial, subterminal, terminal areas are concolorous dull grey, interrupted only by a diffuse, dentate, whitish subterminal line, outwardly highlighted with diffuse, darker scaling. The am and pm lines are thin but complete from costa to inner margin. Subreniform spot is hooked, open, concolorous to slightly lighter than surrounding areas.

Catocala atocala; Upper half of thin distinct am line runs obliquely toward anal angle, turns making two lobes to im; basal area darker grey-brown; large light brown reniform and closed subreniform spots; dark upper half median and brown subterminal areas, lighter lower half; thin, distinct pm line with two elongated upper teeth; almost white along entire im.

** 8780 Catocala robinsoni; 70-80mm. Fws relatively plain pale grey. Female has basal dash, absent in male. Currata French, 1882, female form: weak basal dash. Rare form missouriensis Schwarz, 1915: dark, broad bar extending from basal area to o.m. just below apex. Lighter grey rnfm, subrnfm spots break bar in missouriensis, found from PA. to FL. Hw fringe: White; bands on ventral surface prominent.

Catocala robinsoni, Tom Payne
Catocala robinsoni, Clay County, August 6, Wayne A. Miller.

Catocala agrippina 75-85mm; In the male, the fws are grey-black with some reddish brown (distinguishing characteristic); am and pm lines are black, darker toward costa, much lighter near inner margin. Reniform is indistinct and brown; sub-reniform is almost obsolete, but lighter than surrounding areas. Hws are black, with greyish hairs at base and im. Fringe is white, only partly cut with black at terminations of veins.


miranda, Miranda Underwing; 37-45mm; WO?/WAM; Fw is a plain pale grey with very light and fine black lines, darker and wider near the costa. The hindwing is black with white fringe at the apex, turning to grey along the outer margin. Miranda is smaller than look-alike orba and miranda also has a dark bar just above the inner margin in the median area, projecting toward the anal angle.

Catocala miranda, Clay County, June 26, Wayne A. Miller.

andromedae, Gloomy Underwing; 40-50mm; GSMNP/WAM; Black hw and dark grey hw fringe, coupled with dark fw inner margin help to identify this species. Moths rest with heads pointing downwards. There is very dark "flying saucer" shape, adjoining subreniform spot to midpoint of am line. The "teeth" of the postmedian line are short and blunt, outwardly edged with white. The subterminal line is also outwardly edged with white.

Catocala andromedae, Clay County, June 23 - July 15, Wayne A. Miller.

** 8782 Catocala flebilis ; Mournful, 54-65mm; TP/WAM. Diffuse black band runs from basal area to outer margin just below apex, interrupted by pale grey subreniform spot. Reniform spot filled with brown; additional brown outside pm line. No anal dash as in angusi. Hws: white fringe. J. K. Adams image.

Catocala flebilis, September 20, 2008, Tom Payne.
Catocala flebilis, Clay County, July 5 - August 6, Wayne A. Miller.

** 8773 Catocala epione ; Epione Underwing, 55-65mm; TP/WAM

The pm line is squared and has a brown band and then a light band just outside the line.

The hindwing is black with pure white fringe with no barring.

John Himmelman image.

Catocala epione, lights, Woodlawn, Montgomery County,
June 29, 2008, Tom Payne
Catocala epione, Clay County, June 21 - August 6, Wayne A. Miller.

Catocala retecta; wingspan: 60-75mm. Note light coloured, elongated and open subreniform spot which interrupts dark, diffuse ark running through center of wing from basal area (body-wing juncture) to fw apex. Center of reniform spot brown and there is a brown area just below costa running to inner margin just outside pm line. Off-white hindwing fringe only lightly checked along wing veins. Joe Garris image.


Catocala retecta, Woodlawn, Montgomery County, August 24, 2008, Tom Payne.
Catocala retecta, Clay County, July 5 - August 6, Wayne A. Miller.

Catocala luctuosa; 70mm;; WAM; Light grey (yellowish tint) fw clearly marked with basal dash continuing with another dash through am line, then another anal dash almost forming bar parallel to the im. Hw fringe white & only lightly barred at veins. The "teeth" in the forewing postmedial line are elongated and dark, continuing a dark dar emanating from the outer margin just below the apex.


Catocala luctuosa, Clay County, July 5 - August 6, Wayne A. Miller.

Catocala dejecta, 56-73mm; Hodge #8790; GSMNP/WAM; The Dejected Underwing is quite similar to Catocala retecta. Here the light coloured subreniform spot is also open, but it has a distinct "pork-chop" shape and separates a much darker median area below the subreniform spot from a very light area to the costa above the spot.
The lower quarter of the submarginal area is also much darker in C. dejecta than in C. retecta.

Catocala dejecta, Clay County, June 24 - August 4, Wayne A. Miller.

ulalume; Ulalume Underwing; 62-75mm; GSMNP/TP/WAM; The forewing colouration is a mottled light to dark grey with no strongly contrasting lines, dashes or bars. At the inner margin the antemedial line ends with in a very light coloured crescent. The subrenifrom spot is also light coloured and "comma" shaped. The hindwing is black and the fringe is pure white with thin, sharp (pointed) checking.

Catocala ulalume, lights, Woodlawn, Montgomery County, July 18, 2008, Tom Payne.
Catocala ulalume, Clay County, July 31 - August 4, Wayne A. Miller.

Catocala sappho; Sappho Underwing; 60-75mm; TP/WAM;

Forewings are off white with some grey-black-brown peppering and yellow-beige lines. The reniform spot is brown and the subreniform spot is almost pure white; the hindwings are black with a white fringe.

Catocala sappho, lights, Woodlawn, Montgomery County, July 26, 2008, Tom Payne
Catocala sappho, Clay County, August 4 - August 6, Wayne A. Miller.

** 8794 Catocala lacrymosa; Tearful Underwing, 60-82mm;; GSMNP/TP/WAM; The forewing is highly variable with a mixture of black, brown (wing tips and outside postmedial line) and dark grey scaling. There are usually whitish crescents, along the inner margin at the base of the antemedial and postmedial lines.

The hindwings are black with white checkered fringe, turning black near the anal angle. There are several different forms.

Catocala lacrymosa, lights, form paulina, Woodlawn, Montgomery County, August 26, 2008, Tom Payne.
Catocala lacrymosa, lights, form evelina, Woodlawn, Montgomery County, September 2, 2008, Tom Payne.
Catocala lacrymosa, bait, Woodlawn, Montgomery County, August 20, 2008, Tom Payne.
Catocala lacrymosa, September 21, 2008, Tom Payne.
Catocala lacrymosa, Clay County, July 16 - August 5, Wayne A. Miller.

** 8783 Catocala angusi WO; Angus' Underwing, 60-74mm; WO?/WAMDark dashes/streaks in basal area and anal area distinguish this species. Reniform spot tends to have a light brown filling. Hw fringe is black except for white region at apex. Form lucetta has broad black band from basal area to om, broken only by reniform and subreniform spots. James K. Adams image.

** 8783 Catocala angusi WO; Angus' Underwing, 60-74mm; Dark dashes/streaks in basal & anal areas. Reniform spot: light brown filling. Hw fringe black except for white region at apex. Form lucetta has broad black band from basal area to om, broken only by reniform & subreniform spots. James K. Adams image.

Catocala angusi, Clay County, July 31 - August 6, Wayne A. Miller.

** 8791 Catocala insolabilis; Inconsolable, wingspan: 65-75mm; WO?/WAM;
The forewing is light grey with blackish shading along the inner margin. The antemedial and postmedial lines are thin. The hindwing fringe is very narrow and grey, becoming whiter toward the apex. The ventral surface clearly distinguishes insolabis, being almost completely black except for some white in the basal area.
Vernon A. Brou image.

Catocala insolabilis, Clay County, July 4 - August 3, Wayne A. Miller.

** 8792 Catocala vidua; Widow; 70-80mm. Fw ground colour light grey. Distinguishing dark arc runs through top of reniform spot to just below apex. Heavy, dark anal and basal dashes, connecting to dark median bar, running parallel to i. m. Am line thick, black in its upper half. Reniform spot with two almost concentric irregular ovals. Subreniform spot light, open, constricted as it meets pm line. Hw black with broad, white fringe, lightly interrupted. Marie Winn image.

Catocala vidua, Woodlawn, Montgomery Co., Aug. 10, 07; Sept. 21, 08, Tom Payne.
Catocala vidua, Clay County, August 1- August 6, Wayne A. Miller.

** 8793 Catocala maestosa Sad Underwing, 78-98mm; WO?/WAM; Maesotsa is quite similar to, although usually larger than, vidua. Both have the dark arc from the costa, above the reniform spot, to the outer margin just below the apex. Maesotsa, however, lacks the dark bar, found on vidua, parallel to the inner margin. The reniform spot is brown and there is brown shading just outside the postmedial line. The hindwing fringe is white, narrow and heavily barred.

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