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The eight species of spiketails in North America.
The thorax is black or brown with two pale lateral stripes. The
abdomen is black or brown with yellow abdominal markings.
Depending upon species, the yellow abdominal patterns may range from
rings, a single row of paired dorsal spots or daggers, or paired rows of
laterals spots. Wings are generally clear with dark stigmas. The
head is wide, the eyes meet at a single point on top of a wide head.
The face is mostly greenish or yellowish. All are
similar in appearance and generally distinguished by differences in
abdominal pattern and range. |