Quick ID Clearwing Borers Sesiidae

Quick ID Clearwing Borers Sesiidae
Albuna, Alcathoe, Carmenta, Synanthedon

Four sections:

  1. Solid colored front wings
  2. Red/orange abdomen tuft
  3. White stripe on antenna
  4. All black antenna

Some can fit in more than one category, so use categories in top-down order. Some have male and female different (dimorphic) and may be in 2 different categories.
m & f  = male and female.

Solid Colored Front Wings:
Alcathoe caudata – (m & f) reddish wings, entirely orange antenna and feet; male has long tail

Albuna fraxini – (f) front wing black with a red spot; white stripe on antenna; front legs black, thick fur, feet yellow

Carmenta anthracipennis – (m & f) front wing with a yellow spot; abdomen striped; antenna all black

Carmenta pyralidiformis – (m & f) abdomen segment 4 entirely yellow; yellow stripes on thorax; similar to S. exitiosa female

Synanthedon exitiosa – (f) abdomen segment 4 entirely reddish-orange; no thorax stripes; similar to C. pyralidiformis

Synanthedon pini – (m & f) abdomen sides orange; segment 4 orange; abdomen tuft mostly orange

Synanthedon rubrofascia – (f) abdomen segments 4 and 5 bright reddish-orange

Red/Orange Abdomen Tuft:
Synanthedon acerni – (m & f) antenna entirely black; wing tip area yellow tinted

Synanthedon acerrubri – (m & f) white stripe on antenna; wing tip area black; some black on head; similar to C. corni female

Carmenta corni – (m & f) white stripe on antenna; wing tip area yellow; orange head; male abdomen tip black with orange at sides, usually divided; female similar to S. acerrubri 

White Stripe on Antenna:
Albuna fraxini – (m) antenna, except tips almost entirely white to yellow; front legs have black, thick fur, front feet yellow

Carmenta bassiformis – (m & f) all abdomen segments striped

Synanthedon pyri – (m & f) abdomen every other segment striped, yellow down sides; white stripe on antenna long, ½ length of antenna; similar to C. ithacae which is not in Ontario yet

Carmenta ithacae – (m & f) abdomen every other segment striped, yellow down sides; white stripe on antenna short, ¼ length of antenna; similar to S. pyri – possible in Ontario

Synanthedon bolteri – (m & f) abdomen segments 4 & 5 red; wing margin red

Synanthedon fatifera – (m & f) abdomen black; white spot at sides of 1 and 4

Synanthedon proxima – (m & f) abdomen entirely black; white antenna stripe ½ antenna length

All Black Antenna:
Albuna pyramidalis – (m & f) front wing has red inner margin (closest to body)

Carmenta anthracipennis – (m & f) front wing entirely black with a yellow spot; abdomen entirely narrow striped

Synanthedon decipiens – (m & f) front wing has red discal bar; thorax lower margin yellow

Synanthedon helenis – (m & f) front wing has black discal bar with red spot close to inner margin; thorax black; only on Manitoba border

Synanthedon fulvipes – (m & f) bright orange legs

Synanthedon exitiosa – (m) abdomen entirely black; hind wings yellow tinted; similar to S. pictipes

Synanthedon pictipes – (m & f) white spot at sides of abdomen segment 4; hind wings not tinted yellow; similar to S. exitiosa male

Synanthedon myopaeformis – (m & f) abdomen segment 4 orange; only in London & Mississauga. (newly introduced from Europe)

Synanthedon rubrofascia – (m) abdomen segments 4 & 5 orange; feet white

Synanthedon scitula – (f) abdomen segment 4 yellow

Synanthedon scitula – (m) abdomen segment 2 & 4 narrow yellow stripe; abdomen tuft round, small; similar to S. tipuliformis 

Synanthedon tipuliformis (m & f) segments 2, 4 and 6 with narrow yellow stripe; abdomen tuft large, square; similar to S. scitula