Plant pests and diseases
Scale on coconut leaf
HEMIPTERA: Sternorrhyncha: Coccoidea: Diaspididae (armored scales)
Armored scale in the photo is Hemiberlesia palmae (Cockerell), the tropical palm scale. First recorded on Oahu in 1981, followed by Hawaii I. in 1982.
Distribution: Australia, Micronesia, Fiji, Kiribati, Marshall Is., Papua New Guinea, Soloman Is., Tonga, Western Samoa, U.S. (Florida, Hawaii), Mexico, South America, Sumatra, Malaysia, Sri Lanka, Vietnam, China, Poland, Portugal, Germany, France, United Kingdom, etc.
Relatively wide host range.
Female scale cover usually round to oval (white to brown), with exuviae subcentral, dark to almost black. Size 1.75mm to 2.25 mm. Somewhat distinct once stained and mounted.
Collection data: HI: Oahu I, U.H. Manoa Campus, 8/25/2014, on underside of coconut leaflet growing by St. John Bldg, coll. Scot Nelson.
Scale on coconut leaf
HEMIPTERA: Sternorrhyncha: Coccoidea: Diaspididae (armored scales)
Armored scale in the photo is Hemiberlesia palmae (Cockerell), the tropical palm scale. First recorded on Oahu in 1981, followed by Hawaii I. in 1982.
Distribution: Australia, Micronesia, Fiji, Kiribati, Marshall Is., Papua New Guinea, Soloman Is., Tonga, Western Samoa, U.S. (Florida, Hawaii), Mexico, South America, Sumatra, Malaysia, Sri Lanka, Vietnam, China, Poland, Portugal, Germany, France, United Kingdom, etc.
Relatively wide host range.
Female scale cover usually round to oval (white to brown), with exuviae subcentral, dark to almost black. Size 1.75mm to 2.25 mm. Somewhat distinct once stained and mounted.
Collection data: HI: Oahu I, U.H. Manoa Campus, 8/25/2014, on underside of coconut leaflet growing by St. John Bldg, coll. Scot Nelson.