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The plant locally called “tuberose”, Polianthes tuberosa L. (Liliales: Agavaceae) is endemic to México. It is used to make flower ornaments and to extract volatile compounds for perfume manufacturing (Conzatti 1981; Watson & Dallwitz 1999). The black weevil Scyphophorus acupunctatus Gyllenhal (Coleoptera: Curculionidae) is a pest of P. tuberose . The highest percentage of plants damaged by this weevil, observed in Coatlán del Río, was reported as 69% (Camino et al. 2002a,b). It also attacks the Agave salmiana Otto ex. Salm-Dyck “pulque” and A. fourcroydes Lemaire “henequén” (MacGregor & Gutiérrez 1983; Morón & Terrón 1988). Ramírez-Choza (1993) found it in all regions where agave is cultivated. It is the main pest of sisal, causing damage of up to 50% of this crop. It has caused damage in “tequila” agave ( A. tequilana Wever var. Blue), accounting for 10% loss of crops (Valenzuela 1994; Solís et al. 1999). Solís et al. (2001) reported up to 24.5% damage by S. acupunctatus in the A. tequilana heads. Recently in Morelos state “tequila” agave culture was introduced and Cabrera & Orozco (2002) reported that Counter (terbufos) controlled this insect in tuberose culture. Camino et al. (2000a, b) reported the use of 20 different bait types consisting of fruits and plant residues in two trap types (different from the ones used in the present work), where fermented agave, ripe pineapple, banana, and guava apple captured the highest number of adult S. acupunctatus ; no natural baits were reported previously as attractive for this insect species. This study was conducted to assess the response of S. acupunctatus towards two natural baits (Camino et al. 2002a), and the effectiveness of two trap types (a commercial one plus a funneltype homemade one) for capturing adult weevils. Fieldwork was conducted from August to October, 2001, in Morelos, México (18°53’N-99°11’W) at an altitude of 1350 m. A 1.2-ha parcel planted with offshoots of P. tuberosa was used as an experimental field and was divided into 18 plots (28 × 35m), with one trap placed in the center of each plot. A two-factor design (two trap types and two bait types) including six treatments and three replicates was used. The traps evaluated were the Victor (V) trap made of transparent plastic measuring 9 × 16 × 7 cm (depth:height:width) with a black cap having four 1 cm-diameter orifices at its base and with a yellow umbrella-shaped cap measuring 7 cm in diameter (Fig. 1a) and a yellow

the florida entomologist

TRAPPING OF SCYPHOPHORUS ACUPUNCTATUS (COLEOPTERA:CURCULIONIDAE) WITH TWO NATURAL BAITS IN A FIELD OF POLIANTHES TUBEROSA (LILIALES:AGAVACEAE) IN THE STATE OF MORELOS, MÉXICO