Key for Identification of Nearctic Species of Tomoglossa

1 Antennal articles 4 and 5 elongate, 1.1­1.3 as long as wide (Figs. 29­30). Length 2.0 mm. Pronotal length 0.34­0.36 mm ....................................... 2

– Antennal articles 4 and 5 quadrate or transverse (Figs. 31­33). Length 1.6­2.1 mm. Pronotal length 0.27­0.36 mm ........................................... 3

2 Puncturation of forebody deep. Known from New Jersey .... 2. T. ornatella (Casey)

– Puncturation of forebody shallow. Known from Texas......3. T. improvisa (Casey)

3 Antennal articles 4 and 5 quadrate (Fig. 31). Length 2.0­ 2.1 mm. Pronotal length 0.31­0.36 mm ........................................ 1. T. decora (Casey)

– Antennal articles 4 and 5 transverse, 1.2­1.4 as wide as long (Figs. 32­33). Length 1.6­1.8 mm. Pronotal length 0.27­0.29 mm ................................ 4

4 Antennal article 11 as long as articles 9 and 10 combined; article 9 1.2 times as wide as long (Fig. 32). Articles 2­11 reddish brown, darker than article 1. Head, pronotum and elytra with finer and denser puncturation. Length 1.8 mm. Pronotal length 0.29 mm .................................................. 4. T. arizonica sp. nov.

– Antennal article 11 shorter than articles 9 and 10 combined; article 9 1.5 times as wide as long (Fig. 33). Antenna uniformly reddish yellow. Head, pronotum and elytra with stronger and sparser puncturation. Length 1.6 mm. Pronotal length 0.27 mm ....................................................... 5. T. floridana sp. nov.