empoasca devastans classification

�� G��U�n�^^�+�(vr�r�OB��? During the off-season of cotton it thrives on various other host-plants. 0000001579 00000 n 911 – 926. 0000003631 00000 n 0000005548 00000 n Small, Pygofer in lateral aspect about as long as wide, ventral margin with distinct long spine extending posterodorsad beyond dorsal margin of pygofer; aedeagus in lateral aspect with long basal process; aedeagal shaft curved, short, attenuated apically; gonopore apical; style in dorsal aspect simple, lateral margin of apices serrate; female seventh sternum in ventral aspect with caudal margin convergent apically. *��P��p@�� 0000006887 00000 n Use the link below to share a full-text version of this article with your friends and colleagues. However, only one of nine plants tested became diseased. trailer << /Size 77 /Info 43 0 R /Root 45 0 R /Prev 1152969 /ID[] >> startxref 0 %%EOF 45 0 obj << /PageMode /UseThumbs /Metadata 42 0 R /Pages 41 0 R /OpenAction 46 0 R /Type /Catalog /PageLayout /SinglePage >> endobj 46 0 obj << /S /GoTo /D [ 47 0 R /FitH -32768 ] >> endobj 75 0 obj << /S 124 /T 262 /Filter /FlateDecode /Length 76 0 R >> stream is active throughout the year. However, only one of nine plants tested became diseased. 1382 386 pp. This species is common in many areas of India (Afzal and Ghani 1953 [6]). The visibly parasitised eggs were sorted out and counted. :��s�� 2��ભ�^_�[4�hv:��G��ĤJ�A�ӌ��'�x�� Length of male 4.50—5.00 mm., female 5.00 mm.. 0000004882 00000 n Pygofer in lateral aspect about as long as wide, ventral margin with distinct long spine extending posterodorsad beyond dorsal margin of pygofer; aedeagus in lateral aspect with long basal process; aedeagal shaft curved, short, attenuated apically; gonopore apical; style in dorsal aspect simple, lateral margin of apices serrate; female seventh sternum in ventral aspect with caudal margin convergent apically. Its outbreaks have always been a difficult problem for the growers of cotton in the Punjab, and it has often resulted in the complete failure of this crop (Lal, 1941). Even during the cotton-growing period it is found on many food plants other than cotton and there are some which are preferred to it. An Amrasca biguttula in nahilalakip ha genus nga Amrasca, ngan familia nga Cicadellidae. 1) was kept in the laboratory in 15 × 20 cm jars. ��B -i��,�'CX!�}�Ɨ&\�X@_��,{��\Hj�6�&o��9�m6˻��T�n��Z��R�9 �縅��Ɋ�Q�v0�x�M�>, ks�1gHJ��1q.��K�5��i7)�Dc\+��B� ��ow��ό�[�`�2��k#A��4�� 2 W �E�ɮ)u�P��n�m��2�d�� *H+M/�Ә��9n\��"��z|�" ~s��tUQ��Z��D�E�1�$ w��z��y��d I�uU�6%^��Y�6��Ox��EJ��{�2X��T��K Q�iH!��[� fragile species. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, I have read and accept the Wiley Online Library Terms and Conditions of Use. United States Department of Agriculture Technical Bulletin . 0000002615 00000 n 0000004290 00000 n 0000004903 00000 n Crown yellow with two black spots on anterior margin; pronotum orange yellow; elytra light yellow with two black spots distad of middle. The leafhopper vectors of phytopathogenic viruses (Homoptera, Cicadellidae). Number of times cited according to CrossRef: The importance of alternative host plants as reservoirs of the cotton leaf hopper, Amrasca devastans, and its natural enemies, https://doi.org/10.1111/j.1570-7458.1968.tb02050.x. Most likely Amrasca biguttula biguttula; previously, Amrasca devastans, and Empoasca devastans.. Distribution. There are no records confirming transmission, and it is unlikely that the Species will become important as a vector owing to its association with cotton. Taxonomy, biology and virus transmission. fragile species. 1968b. Waray hini subspecies nga nakalista. The material collected from different areas of the survey (Fig. �o"U��P�T�d��wGΌ��z�ͼy3+�-#NuB�:J5��+�9�﯈�?N8DǊ��G/�O��('w?��F#�U� 0000006866 00000 n 0000006212 00000 n (Nielson, 1968), Thomas and Krishnaswami (784) first reported in 1939 this species as a vector of little leaf of brinjal (eggplant). 0000239682 00000 n If you do not receive an email within 10 minutes, your email address may not be registered, papayae Length of male 4.50—5.00 mm., female 5.00 mm. H��TMo�@��W�H�v�m�G This species is similar to species is common in many areas of India (Afzal and Ghani 1953 [6]). Fairyfly (Hymenoptera, Mymaridae) egg parasitoids of the tea green leafhopper Empoasca (Matsumurasca) onukii Matsuda (Hemiptera, Cicadellidae), an economically important pest in Asia of the tea plant, Camelliasinensis, were identified from specimens reared in Japan.Using a combination of genetic and morphological evidence, Anagrus (Anagrus) rugmanjonesi Triapitsyn & Adachi-Hagimori, … Studies on the parasites and predators of Empoasca devastans Distant (Homoptera: Jassidae). 0000008191 00000 n 0000617397 00000 n The leafhopper vectors of phytopathogenic viruses (Homoptera, Cicadellidae). The cotton jassid Empoasca devastans Distant has been reported as a major pest from all the cotton growing areas of the Indian Union. Its outbreaks have always been a difficult problem for the growers of cotton in the Punjab, and it has often resulted in the complete failure of this crop (Lal, 1941). 1965. 0000002387 00000 n The cotton jassid Empoasca devastans Distant has been reported as a major pest from all the cotton growing areas of the Indian Union. 0000391759 00000 n Studies on the cotton Jassid (Empoasca devastans Distant) in the Punjab. Any parasites hatching from the material were preserved in 70% alcohol. 0000007535 00000 n I. Varietal susceptibility and development of the pest on different varieties of cotton.— Indian J. agric. %PDF-1.3 %�� Asia, Africa (restricted), Oceania. Green or Indian cotton jassid (or leafhopper). Crown yellow with two black spots on anterior margin; pronotum orange yellow; elytra light yellow with two black spots distad of middle. 0000001209 00000 n 44 0 obj << /Linearized 1 /O 47 /H [ 1209 370 ] /L 1153977 /E 659858 /N 4 /T 1152979 >> endobj xref 44 33 0000000016 00000 n That’s complete full scientific classification of Empoasca stevensi. TH~ cotton Jassid (Empoasca devastans Dist.) Learn more. 0000239625 00000 n 0000006191 00000 n Amrasca devastans is the Indian cotton jassid or leafhoppers, previously referred to as A. biguttula or Empoasca devastans. Related Posts: Empoasca Taxonomy Classification; Empoasca Solana Taxonomy Classification; Castalia Stevensi Taxonomy Classification; United States Department of Agriculture Technical Bulletin . Record last updated - 12/09/2019 0000001147 00000 n in genital characteristics and can be distinguished by the male pygofer with a long, ventral, spinelike process. A systematic survey of various stages of this jassid was undertaken in the Indian Union by collecting the natural parasites and predators during the period May 1964 to September 1966. Empoasca devastans Lefroy, 1906. Empoasca devastans Distant. This jassid also attacks other crops and ornamental plants (Sohi, 1964). Learn about our remote access options, Indian Agricultural Research Institute, New Delhi, India. 0000004311 00000 n Recorded Distribution(s): 0000002188 00000 n ��`��qQdh�@��a˶�Z2D�E:��Қw��y�ݻ3c�Fr�X�˜a��}��LJ� 0000002594 00000 n ڽ�1�d}P�� Working off-campus? In addition an assessment of the % parasitism of the eggs of this jassid at Delhi was made for one year from August 1965 to July 1966 on the two seasonal crops, okra and eggplant, and on castor which is available throughout the year. An Amrasca biguttula in uska species han Insecta nga syahan ginhulagway ni Ishida hadton 1912. We have restricted the survey to the following crops: okra (Abelmoschus esculentus), castor (Ricinus communis), eggplant (Solanum melongena), cotton (Gossypium spp.) �� endstream endobj 54 0 obj << /StemV 0 /FontName /TimesNewRoman,Bold /FontFile2 73 0 R /Flags 34 /Descent 0 /FontBBox [ -28 -216 1010 891 ] /Ascent 0 /CapHeight 0 /Type /FontDescriptor /ItalicAngle 0 >> endobj 55 0 obj << /Subtype /TrueType /FontDescriptor 54 0 R /Name /F2 /BaseFont /TimesNewRoman,Bold /Encoding /WinAnsiEncoding /Type /Font >> endobj 56 0 obj 560 endobj 57 0 obj << /Filter /FlateDecode /Length 56 0 R >> stream (Nielson 1968). (Nielson 1968). and cowpea (Vigna catjang). Please check your email for instructions on resetting your password. Amrasca devastans Chlorita biguttula Shiraki, 1913 Chlorita bigutulla Husain & Lal, 1940 Chlorita bimaculata Matsumura, 1917 Empoasca biguttula Empoasca bipunctata Schumacher, 1915 Empoasca devastans Distant, 1918 Empoasca devastans Lefroy, 1906 Empoasca devastens Cherian & Kylasam, 1938 Empoasca nigropunctata Merino, 1936 Common Name. It has been reported from Burma (Mathur 1953 [499]). It has been reported from Burma (Mathur 1953 [499]). This study showed that 14 varieties could be placed in one of four categories of susceptibility to Empoasca devastans[Amrasca biguttula], based on the population of jassids found on the variety. General colour yellow. Genitalia: in genital characteristics and can be distinguished by the male pygofer with a long, ventral, spinelike process. Sci., 10, pp. H��?o�0�w} 0000007556 00000 n There are no records confirming transmission, and it is unlikely that the Species will become important as a vector owing to its association with cotton. The full text of this article hosted at iucr.org is unavailable due to technical difficulties. The association between susceptibility and morphological and anatomical characters was also studied. 0000005569 00000 n © Amgueddfa Cymru — National Museum Wales. 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