1 - Phytosanitary Resources

Identification
Figure 3-4 Tuta absoluta Pupa (EPPO Gallery, http://photos.eppo.org/index.php/
album/219-tuta-absoluta-gnorab-)
Similar Species
Two other species that may be found as pests in tomato fields in the United
States are the potato tuber moth (Phthorimaea operculella Zeller) and the
tomato pinworm (Keiferia lycopersicella).
Tuta absoluta is most similar to the tomato pinworm primarily because both
have light-and-dark banded antennae and labial palps and the color of the
forewings is similar. However, the forewings of the tomato leafminer have
somewhat more defined dark patches while those of the tomato pinworm are
light brown to gray with brownish streaks. In addition, the hindwings of the
tomato pinworm have hair pencils on the anterior margin. Genitalic dissection
is required for accurate identification of either species.
To confirm identification, it is necessary to carefully examine adult male
genitalic structures. For further information on identification of these species,
refer to the following diagnostic aids:
◆ Diagnostic Aid for Phthorimaea operculella on page D-1
◆ Field Screening Aid for Keiferia lycopersicella on page E-1
Electronic versions of the screening aids are also available at the Web site of
the Cooperative Agricultural Pest Survey (CAPS).
6/2011 Tomato Leafminer 3-5
Emergency and Domestic Programs