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30 April 2019 Ceraeochrysa lineaticornis (Fitch) (Neuroptera: Chrysopidae): Larval Plant Associations and Construction of Debris Packets from Wax of Planthoppers (Hemiptera: Flatidae)
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Abstract

Larvae of the debris-carrying green lacewing Ceraeochrysa lineaticornis (Fitch) (Neuroptera: Chrysopidae) are known to construct their dorsal packets from foliar trichomes of Arizona sycamore (Platanus wrightii S. Watson; Platanaceae) and to prey on nymphs of the lace bug Corythucha confraterna Gibson (Hemiptera: Tingidae). From 2008 to 2018, we observed larvae in a South Carolina botanical garden incorporate plant trichomes, the waxy flocculence and exuviae of flatid planthoppers, and cuticular fragments of assorted arthropods to construct their packets. This represents the first recorded use of planthopper wax by larvae of a debris-carrying chrysopid. Larvae were observed on 61 plant species (31 families), including 30 species of Eurasian ornamentals. Nymphs of the flatids Metcalfa pruinosa (Say) and Ormenoides venusta (Melichar) were present with larvae of C. lineaticornis on all but two of the Eurasian plants. Chrysopid larvae and coccons were found within aggregations of planthopper nymphs on abaxial leaf surfaces of paperplant (Fatsia japonica [Thunb.] Decne. & Planch.; Araliaceae). Larvae preyed on planthopper nymphs in the laboratory. The composition of the larval packets is described, and notes on seasonality of the chrysopid and flatid planthoppers are provided.

A. G. Wheeler Jr. and Ian C. Stocks "Ceraeochrysa lineaticornis (Fitch) (Neuroptera: Chrysopidae): Larval Plant Associations and Construction of Debris Packets from Wax of Planthoppers (Hemiptera: Flatidae)," Proceedings of the Entomological Society of Washington 121(2), 299-310, (30 April 2019). https://doi.org/10.4289/0013-8797.121.2.299
Published: 30 April 2019
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