S. Mahunka szerk.: Folia Entomologica Hungarica 46/2. (Budapest, 1985)

Host The average duration of egg and nymphal stages (days) Total nymphal Total egg and nymphal stage (days) stage (days) Egg stage 1st 2nd 3rd 4th 5th Males of S. marginatus reared on infected host seedlings Apple infected 10 5 5 5 4 4 23 33 with A.P. Apricot infected 10 5 4 4 4 4 21 31 with Ch. L.R. Strawberry infected 10 4 4 4 4 4 20 30 with G.P. Clover infected 9 4 4 4 4 4 20 29 with G.P. Celery infected 7 4 4 3 3 3 17 24 with A.P. Celery infected 7 4 4 3 3 3 17 24 with G.P. Table 2. Longevity of Streptanus aemulans and S. marginatus adults reured on different host seedlings Host plants A) Healthy host plants s. aemulans S. marginatus Male Female Male Female Apple 60 64.5 56 61.5 Apricot 65.5 71 62.5 68.5 Strawberry 70.5 76.5 64 70 Clover 72 74 67.5 73.5 Celery 74.5 80.5 68.5 75.5 B) Diseased host plants Apple infected with A.P. 63 70.5 61 68 Apricot infected with Ch. L.R. 66.5 80.5 68 74.'5 Strawberry infected with G.P. 75 86 71.5 78.5 Clover infected with G.P. 79.5 88.5 75 85.5 Celery infected with A.P. 80 90 79.5 84.5 Celery infected with G.P. 84.5 95 78 86 N.B.: A.P. = Apple proliferation pathogen G.P. = Green petal pathogen Ch. L.R. = Chloratic leaf roll pathogen