Sipha maydis (Hemiptera: Aphididae) in the humid subtropical region of Brazil: distribution, seasonality and biology Author Lampert, Silvana University of São Paulo, Department of Entomology and Acarology, Luiz de Queiroz College of Agriculture, Piracicaba, São Paulo, 13418 - 000, Brazil; Author Salvadori, José R. University of Passo Fundo, Faculty of Agronomy and Veterinary Medicine, Passo Fundo, Rio Grande do Sul, 99052 - 900, Brazil; E-mail: salvadori @ upf. br (J. R. S.) salvadori@upf.br Author Lau, Douglas Brazilian Agricultural Research Corporation, National Wheat Research Center (Embrapa Trigo), Passo Fundo, Rio Grande do Sul, 70770 - 901, Brazil; Author Pereira, Paulo R. V. da S. Brazilian Agricultural Research Corporation, National Forest Research Center (Embrapa Florestas), Colombo, Paraná, 83411 - 000, Brazil; Author Engel, Eduardo University of São Paulo, Department of Entomology and Acarology, Luiz de Queiroz College of Agriculture, Piracicaba, São Paulo, 13418 - 000, Brazil; Author Savaris, Marcoandre University of São Paulo, Department of Entomology and Acarology, Luiz de Queiroz College of Agriculture, Piracicaba, São Paulo, 13418 - 000, Brazil; text Florida Entomologist 2023 2023-04-18 106 1 1 9 https://bioone.org/journals/florida-entomologist/volume-106/issue-1/024.106.0101/Sipha-maydis-Hemiptera--Aphididae-in-the-Humid-Subtropical-Region/10.1653/024.106.0101.full journal article 10.1653/024.106.0101 1938-5102 11564263

Table 2. Host effect on the duration of biological phases (mean ± standard error) of Sipha maydis in the laboratory.

Host plant	n¹	Pre-reproductive period2	Reproduction period2	Longevity2
¹n = number of individuals evaluated; 2 Means followed by the same letter do not differ statistically by Tukey’s test (P -value <0.05).
Triticum aestivum	20	10.6 ± 0.3 b	27.5 ± 1.8 a	46.1 ± 2.3 a
Hordeum vulgare	20	11.7 ± 0.5 b	26.8 ± 2.8 a	41.3 ± 3.1 ab
Avena strigosa	20	11.1 ± 0.2 b	17.9 ± 1.5 b	31.8 ± 1.3 bc
Lolium multiflorum	20	11.1 ± 0.4 b	15.5 ± 2.3 b	29.4 ± 2.2 c
Zea mays	20	14.6 ± 0.6 a	14.6 ± 2.3 b	31.3 ± 2.6 bc
Cynodon dactylon	20	15.4 ± 1.1 a	8.2 ± 4.1 b	25.2 ± 3.2 c
CV %		15.3	43.8	26.1