MANGO INSECTS. 



143 



A. BETTER KNOWN MANGO INSECTS LIKELY TO BE IMPORTED. 



Psylla cistellata Buckton. 

 (The Mango Shoot Psylla. Psyllidae; Hemiptera.) 



Host: Mango ( Mangifera indica) . 



Injury: Injures terminal shoots by producing imbricated pseudo-cones of a bright 

 green or yellow color in which the larval 

 and pupal stages are passed. 



Description: Adult head small, eyes 

 globose and prominent; abdomen deeply 

 corrugated and ringed; general color of 

 body shining pitchy black. 



Distribution: India. 

 Buckton, G. B'. Indian Museum Notes, 



1896, vol. 3, No. 2, p. 91. 



Dinoderus distlnctus Lesne. 

 (Bostrychidse; Coleoptera.) 



Hosts: Mango, bamboo. 



Injury: Infests branches. 



Description: Adult brown, with red- 

 dish tinge at base of elytra. Marginal 

 teeth of pro thorax very small, the two 

 middle ones longest. Length 3.5 mm. 

 (See text ^g. 70.) 



Distribution: India. 

 Maxwell-Leproy, H. Indian Insect 



Life, 1909, p. 316. 

 Stebbing, E. p. Indian Forest Insects, 



1914, pp. 129, 130. 



Plocsederus ruflcornis Newman. 



(The Mango Bark Borer. Cerambycidse; Coleoptera.) 



Host: Mango. 



Injury: Considered one of the most formidable pests of the Philippine Islands. 



Description and biology: Adult beetle 23 to 45 mm. in length with antennae longer 

 than body; body dull blackish in color, antennae reddish brown, thorax with sharp 

 spine on each side, legs of same rufous color as antennae. Eggs deposited singly on 

 the bark or in crevices of wounds near lower part of the trunk. Larvse on hatching 

 bore into the inner part of bark, where the entire grub stage is passed; pupate in a 

 ca\dty made of grass. (See plate xxx.) 



Distribution: Philippine Islands. 



JoxES, C. R. The Philippine Agric. Review, 1913, vol. 6, No. 3, pp. 118-124, pis. 24. 

 Sternochctus gravis Fabrieius. (Cryptorhynchus). 



(Northern Mango Weevil. Curculionidae; Coleoptera.) 



Host: Mango. 



Injury: This is the common mango weevil of Northern India, and is liable to be 

 introduced in seed. 



Fig. 70.— Mango and bamboo borer (Dinoderus dis- 

 tlnctus): Adults. (Maxwell-Lefroy.) 



