Trioza Foerster

(Figs 35, 57, 83)

Diagnosis: Trioza is a large artificial genus and a description is of no systematic value (Hollis 1984). Species included here are small to medium sized. Head narrower than or as wide as thorax, deflexed from longitudinal body axis; median suture of vertex present and normally complete; usually with genal processes which are not constricted basally (Fig. 35). Antenna short to moderately long, with a single subapical rhinarium on each of segments 4, 6, 8 and 9. Forewing hyaline, venation triozine; rounded or angular apically (Fig. 57), if pointed then point lying within cell m1; radular areas present only in m1, m2 and cu1; apex of Cu2 at some distance from apex of Cu1b. Metatibia with several basal spinules, a callus or a tooth, and 1+2 or 1+3 apical spurs; metabasitarsus without apical spurs. Male proctiger with anus apically directed.

Biology and damage: Some New World Trioza species are associated with Persea species ( Lauraceae). Effects on their host include leaf edge rolls, shoot and leaf distortion and formation of pit galls with growths on leaf surface (Hollis & Martin 1997).

Host-plants: Many different plant families (Hollis 1984; Burckhardt 1988).

Distribution: Cosmopolitan (Hodkinson 1989).— Colombia: Trioza perseae Tuthill (Vélez 1973) .

Examined material: Trioza novalata Brown & Hodkinson: Magdalena: 3 (female), Santa Marta, Punta de Betín, 28-Oct-1985, 19-Nov-1985, light trap (H. G. Müller), MHNG, NHMB.— Trioza sp. 1: Antioquia: 2 (male), Santa Bárbara, 5°52’29"W, 75°33’58"W, 1800 m, Oct-1971, Persea americana (R. Velez), MEFLG 1926;— Trioza sp. 2: 3 (male), Santa Bárbara, 5°52'29"N, 75°33'58"W, 1800 m, Oct-1971, Persea americana (R. Velez), MEFLG No. 1957.— Trioza sp. 3: Norte de Santander: 1 (female), Toledo, Vda. Quebradagrande, Torres de Mejue, PNN Tamá, 7°30’N, 72°32’W, 3094 m, 29-Jan–05-Feb-2004, Malaise (C. Leal), IAvH-E-161386.— Trioza sp. 4: Santander: 1 (male), Cimitarra, Corr. Puerto Olaya, Central Termocentro ISAGEN, 110 m, 31-Aug-2005, white light trap (M. Castaño & C. Rivera), CEUA 89001; 1 (female), Cimitarra, Corr. Puerto Olaya, Central Termocentro ISAGEN, 110 m, 31-Aug-2005, white light trap (M. Castaño & C. Rivera), CEUA 89002.