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Bur. Ent. & P. Q. Issued August 1936 United States Department of Agriculture BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE SERVICE AND REGULATORY ANNOUNCEMENTS LIST OF INTERCEPTED PLANT PESTS, 1935 (List of Pests Recorded During the Period July 1, 1934, to June 30, 1935, Inclusive, as Intercepted in, on, or with Plants and Plant Products Entering United States Territory) INTRODUCTION This is the forty-first paper of a series issued under various names at more or less irregular intervals listing intercepted plant pests. The present list covers the twenty-second year of the period since the lists were started and includes intercepted plant pests for which determinations were received and indexed during the period specified. The sources from which the data were derived and the manner of preparation are discussed in previous lists. Most of the insect determinations were made by specialists of the Bureau and many of the plant-disease and host determinations by specialists of the Bureau of Plant Industry. The States of California and Florida and the Territory of Hawaii maintain their own staffs of specialists and make many of their own determinations. Frequently the intercepted material is in a stage that is not determinable or is too badly damaged or is inadequate for determination. Many times the only organisms recognized are innocuous. Such interceptions, num- bering some thousands, are omitted from the list. As pointed out in previous lists of interceptions, statement as to the origin of fruits and vegetables carried as ships' stores, as well as of plants used for decora- tive purposes and of plant material carried by passengers, cannot always be veri- fied, but every effort is made to give the origin of such plants and plant products as accurately as possible. FRUIT FLIES The following fruit flies were intercepted: Celery fly (Acidia heraclei) in celery from Italy; I West Indian fruit fly (Anastrepha acidusa) in mango from Puerto Rico; Mexican fruit fly (A. ludens) in grapefruit, mango, orange, and sour orange from Mexico; A. obliqua (adult) with banana debris from Panama; dark fruit fly (A. serpentine) in mamey and sapote from Mexico; Central American fruit fly (A. striata) in guava and in a bag with figs, guavas, peaches, and sweet limes from Mexico; Anastrepha sp. in orange and pumpkin from Brazil, mango from Cuba, Dominica, and Haiti, sapote from Guatemala, mango and star-apple from Honduras, guava and mango from Jamaica, avocado. Crataegus mexicana, grapefruit, guava, mamey, mango, orange, pear, and sapote from Mexico, in mango and (adults) with bananas and banana debris from Panama, in cherimoya, guava, mango, star-apple, and (pupae) in packing with mangoes from Puerto Rico, and in grapefruit, mango, and orange from Trinidad; melon fly (Bactrocera cucurbitae) in tomato from Hawaii; Mediterranean fruit fly (Ceratitis capitata) in tangerine from Algeria, apple, guava, loquat, orange, sorbe, and tangerine from the Azores, orange from Brazil, tangerine from France, apple, pricklypear, and quince from Greece, avocado, coffee, longan, mango, and star-apple from Hawaii, apple, grape. orange, peach, pear, persimmon, pricklypear, quince, tangerine, and (pupa and puparia) in a box of dried figs and nuts from Italy, grapefruit, orange, and (puparia) on packing around grapefruit from Palestine, apple, loquat, orange, quince, and Sorbus sp. from Portugal, apricot, grape, lemon, orange, and peach from Spain, and (adult) with sugarcane from Trinidad; olive fruit fly (Dacus oleae) in olives from Greece and Italy; apple maggot (Rhagoletis pomonella) in Crataegus mexicana from Me:'ico; R. suavis in black walnut from Mexico; Rhagoletis sp. in cherry from Bermuda, cherry and sour For details of interceptions mentioned in the text see lists under the countries named. 54944-36"---4 2 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [August cherry from Italy, apple, Crataegus mexicana, Crataegus sp., and black walnut from Mexico, and sour cherry from Yugoslavia; Tephritis sp. (adult) with Para- guay tea from Argentina; papaya fruit fly (Toxotrypana curvicauda) in papaya from the Bahamas, Canal Zone, and Panama; Trypanea sp. (adults) with Inula sp. from Germany; and a trypetid in Lonicera nitida (seed and pulp) from Bul- garia, pepper from Italy, pear, plum, and poinsettia (seed) from Mexico, (pupae) in Adansonia sp. (seed) from the Union of South Africa, (pupa) with Amygdalus sp., (pupa) in Juniperus foetidissima, (pupa) with Lonicera sp., and (pupae and adult) with Rosa sp. from the Union of Soviet Socialist Republics, and (pupae) with Lycoseris sp. from Venezuela. MISCELLANEOUS INSECTS The potato weevil (Epicaerus cognatus) was intercepted in potatoes (Solanum tuberosum) from Mexico. An orchid from the Philippines was infested with Tadius erirhinoides (Curculionidae). Capitophorus formosanus (aphid) arrived with chrysanthemum from Japan. The Asiatic rice borer (Chilo simplex) was, found in rice straw packing from China, Spain, and Syria, Miscanthus japonica and rice straw from Japan, and wheat straw from France. A kumquat leaf from Japan was infested with the citrus leaf miner (Phyllocnistis citrella). Apricot,. scions from Tripoli were infested with Lepidosaphes halli (Coccidae). The durra stem borer (Sesamia cretica) was taken in broonicorn from Italy. Acrolepia assectella (Plutellidae) was intercepted in leaves of leeks from Belgium, Denmark, France, Italy, and Netherlands, mint from Belgium, and onion from Germany. The pink bollworm (Pectinophora gossypiella) was intercepted in cottonseed and cotton samples from Brazil, cottonseed, cotton bolls, and cottonseed on cottonseed-cake bags from China, cottonseed, cotton waste used as packing, and cottonseed on bagging from Egypt, unginned seed cotton from Greece, cotton- seed, seed cotton, cotton boll, and cotton used as packing from Mexico, cotton- seed from the Netherlands, cottonseed and (pupa) with cotton fiber from Puerto Rico, and (larvae and pupa) with herbarium specimens of cotton from the West Indies. The citrus blackfly (Aleurocanthus woglumi) was taken on leaves of grapefruit and orange from the Bahamas, lime from Cuba, and orange from Jamaica. Laspeyresia splendana (Olethreutidae) arrived with chestnuts from France, Germany, Italy, Japan, Portugal, Spain, and Switzerland. Mahogany logs from the Philippines and wooden packing cases from India and the Philippines were infested with Heterobostrychus aequalis (Bostrichidae). Phyllotretacruciferae (Chrysomelidae) was intercepted in cabbage from England and leek from France. The yam weevil (Palaeopus costicollis) was taken in yams from Jamaica and Nigeria. Apion carduorum (Curculionidae) infested globe artichoke from France. Bruchophagus gibbus (Eurytomidae) arrived with alfalfa from China and Man- churia, Medicago falcata from Rumania, alfalfa and clover from Turkey, and alfalfa, Lotus sp., Medicago falcata, and Trigonella sp. from the Union of Soviet Socialist Republics. Collabismodes cubae (Curculionidae) arrived in pepper from Cuba. Platyedra vilella (Gelechiidae) was intercepted in seed of Althaea nudiflora from the Union of Soviet Socialist Republics. Witloof or chicory from Belgium was infested with Agromyza pinguis (Agromyzidae). Baris laticollis was intercepted in turnip from France. Gryllus assimilis argentinus (Gryllidae) arrived with grapes and melon from Argentina. The bean pod borer (Maruca testulalis) arrived in lima beans from Cuba and string beans from Hawaii, Mexico, and Puerto Rico. Licorice seed pods from Greece were infested with Bruchidius halodendri (Bru- chidae). Hylesinus fraxini (Scolytidae) arrived in ash used for crating from England. Conotrachelus aguacatae was intercepted in avocado from Mexico. Euspermophagus gossypii (Bruchidae) arrived with morning-glory (Ipomoea albi- venia) seed from Mozambique. A nest containing immature larvae of the brown-tail moth (Nygmia phaeor- rhoea) was intercepted on a pear tree from Italy. Taeniothrips ericae (thrips) arrived on heather from England, Germany, Great Britain, Ireland, and Scot- land. Scolytus multistriatus and S. scolytus (Scolytidae) infested elm logs from France. Chlorophorus annularis (Cerambycidae) was taken in bamboo poles from Japan. Nysius huttoni (Lygaeidae) was intercepted on apples from New Zealand. Cipollini from Morocco were infested with Exosoma lusitanica (Chrys- omelidae). The coffee berry borer (Stephanoderes hampei) was intercepted in coffee from Tanganyika and Uganda. The tomato pinworm (Gnorimoschema lycopersicella) was taken in tomatoes from Cuba, Hawaii, and Mexico. Psyl- liodes chrysocephala (Chrysomelidae) was intercepted in turnips from Algeria, Argentii-a, England, and France, radishes from Denmark and Italy, and carrot from Italy. 1m) SERVICE AND REGULATORY ANNOUNCEMENTS 3 MISCELLANEOUS PLANT DISEASES An unusual number of pathogens new to our interception files were added during the year, several undescribed species were intercepted, other organisms were found on material from additional countries, and interceptions of im- portant diseases such as citrus canker continued. For convenience some of the more important and interesting interceptions are briefly noted in alphabetical groups, fungi and bacteria determined to species in the first group, nemas in the second group, and new or apparently new species of fungi and nemas in a third group. Arthrobotrys superba on Ficus sp. from Barbados; Ascochyta heterophragmiaon Camellia japonica from France; Bacterium citri on Citrus spp. from China, India, and Japan; Bacterium pisi on peas from Mexico;