Identification of a new species, Marigold thrips "Neohydatothrips samayunkur Kudô" (Thysanoptera, Thripidae) on marigold in Egypt
A. S. Abd El-Wahab
Neohydatothrips samayunkur, a thrips species infest African marigolds, is recorded from Egypt for the first time. Detailed description are given of how to identify this thrips species. Tagetes erecta L. were grown in the experimental farm at Giza governorate, Egypt. The Sampling was carried out during mid April to late July and from early September to late December,( 2013& 2014). A weekly sample randomly selected and examined for the presence of thrips. Identification was based on the morphological characters. N. samayunkur adult body is bicolor, dark brown with abdominal segments 3-6 yellowish with brown antecostal ridge. Antenna 8 segments, Legs; Mid- and hind tarsi: 2-segmented, The hind leg tibiae is brown medially and otherwise yellow. Fore wings alternating bands of dark and light. Second larval instars is pale yellow to orange in colour, antenna and all tibias is gray. Mesonotum with one pair of brown patches while Metanotum with 2 pairs of brown patches anterior pairs smaller and occasionally indistinct. Body setae are gray, dorsal setae on abdomen arising from a brown patch. Apical half of abdominal segment 10 and occasionally extreme apex of segment 9 grey.