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2009•Florida EntomologistOpen access

Biology ofStethoconus praefectus(Distant) (Heteroptera: Miridae), A Newly Established Predator of the Avocado Lace Bug,Pseudacysta perseae(Heteroptera: Tingidae), in Florida

Claudia M. Holguín, Jorge E. Peña, Thomas J. Henry, Flor E. Acevedo

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Abstract

The Asian plant bug Stethoconus praefectus (Distant) (Heteroptera: Miridae) was recently discovered in Florida preying on the avocado lace bug, Pseudacysta perseae (Heidemann) (Heteroptera: Tingidae). Its life cycle and effectiveness as a predator of P. perseae were investigated at 26 ±I°C, 60 ± 5 RH, and 12: 12 (L: D) under laboratory conditions. Stethoconus praefectus developed from egg to adult in 16.5 ± 0.2 d. On average, the first 4 instars consumed 2 to 4 prey per day, whereas the last 2 instars consumed 2 to 7 lace bugs per day. Stethoconus praefectus was observed in the field from Aug through Dec 2007.

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What this paper is about

The Asian plant bug Stethoconus praefectus (Distant) (Heteroptera: Miridae) was recently discovered in Florida preying on the avocado lace bug, Pseudacysta perseae (Heidemann) (Heteroptera: Tingidae). Its life cycle and effectiveness as a predator of P. perseae were investigated at 26 ±I°C, 60 ± 5 RH, and 12: 12 (L: D) under laboratory conditions. Stethoconus praefectus developed from egg to adult in 16.5 ± 0.2 d. On average, the first 4 instars consumed 2 to 4 prey per day, whereas the last 2 instars consumed 2 to 7 lace bugs per day. Stethoconus praefectus was observed in the field from Aug through Dec 2007.

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Available abstract

The Asian plant bug Stethoconus praefectus (Distant) (Heteroptera: Miridae) was recently discovered in Florida preying on the avocado lace bug, Pseudacysta perseae (Heidemann) (Heteroptera: Tingidae). Its life cycle and effectiveness as a predator of P. perseae were investigated at 26 ±I°C, 60 ± 5 RH, and 12: 12 (L: D) under laboratory conditions. Stethoconus praefectus developed from egg to adult in 16.5 ± 0.2 d. On average, the first 4 instars consumed 2 to 4 prey per day, whereas the last 2 instars consumed 2 to 7 lace bugs per day. Stethoconus praefectus was observed in the field from Aug through Dec 2007.

Key concepts: Tingidae, Miridae, Heteroptera, Biology, Predator, Instar, Anthocoridae, Predation

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Biology ofStethoconus praefectus(Distant) (Heteroptera: Miridae), A Newly Established Predator of the Avocado Lace Bug,Pseudacysta perseae(Heteroptera: Tingidae), in Florida — Research Paper | ScholarLens