30 A MANUAL OF DANGEROUS INSECTS. 



A. AN AVOCADO PEST LIKELY TO BE IMPORTED 



Heillpus lauri Boheman. 

 (Avocado Weevil. Curculionidae; Coleoptera.) 



Host: Fruit of Per sea persea L. (Laurus drymifolia) and Persea pittieri Mez. 



Injury: Lai-vse make galleries in the seed. Lia'de to be introduced in seed and fruit. 

 Live specimens have been received in the United States. 



Description: Adult weevil of a red ground color, with red femora, or dark l^rown 

 with unicolorous legs and prominent patches of white scales; rostrum long, prothorax 

 conical. The larvae l)reed in the seed and their presence is not easily detected. In 

 the case of the recent introductions the seeds were planted and the injury was not 

 noticed until faulty germination caused an examination. 



Distribution: Mexico, Costa Rica. (See plate xlix.) 

 Barber, H. S. Proc. Ent. Soc. Wash., vol. 14, 1912, pp. 181-183, plate 9, 



B. OTHER IMPORTANT AVOCADO INSECTS. 



HEMIPTERA. 

 Coccidae; 



Armored — 



Aspidiotus (Pseiidaonidia) articulatus Morgan; Mexico (See Coffee). Scale of adult female 1 mm. in 



diameter, circular, reddish brown with central portion blackish, exuvia covered. 

 ^Aspidiotus ( Chrysomphalus) persex Comstock; Mexico. 

 Aspidiotus persearum Cockerell; Hawaii; on Persea gratissima. Scaleof female 1.25 mm. long, 1 mm. 



broad brownish cream color, exuvia sublateral. 

 Aspidiotus ( Chrysomphalus) personatus Comstock; West Indies, Mexico; Persea americana. (See OUve.) 

 Aspidiotus ( Chrysomphalus) scutiformis Cockerell; Mexico, Central America. (See Citrus.) 

 Lepidosaphcs longula Leonardi; Java; scale of female about 2.35 mm. long, elongate, curved, narrow, 



coffee colored. 

 Pinnaspis rhombica Leonardi; Java; scale of adult female 1 mm. long, rhomboid, castaneous brown. 

 Pseudoparlatoria parlatorioides Comstock; Brazil, Mexico; on Persea carolinensis. Scale of adult 



female about 1.4 mm. in diameter, light yeUow, exuvia very large, extending from center of scale to 



margin, having the appearance of a Parlatoria. 

 Unarmored — 

 Ceroplastes cistudiformis Townsend and Cockerell; Mexico; wax scale. Adult female covered with 



dirty gray wax which is marked into plates; 6-8 mm. in length and 4.5 to 5.5 mm. in width. 

 Ceroplastes rubens Maskell; Australia, India, Ceylon, Hawaii. Adult female 2.2-6 mm. in length, 



covered with wax which is rather thick and dull red or pinkish throughout. 

 Icerya montserratensis Riley and Howard; Mexico. (See Citrus.) 

 Pseudococcus virgatus Cockerell; Isle of Pines. 

 Pulvirmria mammex Maskell; Hawaii, Natal; on Persea persea. Adult female reddish browa covered 



with a thin grayish meal, ovisac large, snow white, irregular, forming a mass of loose cotton. 

 Pulvinaria simulans Cockerell; Mexico. 



LEPIDOPTERA. 

 Lasiocanipidae. 



Suana concolor Walker; Java, defoliator. 



Cossidae. 



Zcuzera coffex Nietner; India, Ceylon, Java, East Africa, Kamerun. (See Coffee. ) 



COLEOPTERA. 

 Bostrychldae. 



Apatc monachus Fabricius; .Vfrica, West Indies. (See Citrus.) 



Brachyrhinldae. 



Diaprepes abbreviatus Linnieus; West Indies. (See Sugar cane.) 



Calandridae. 



H< Caulophilus lalinasus Say; Florida, probably imported; bores in seed. 



DIPTERA 

 Trypetidae. 



Ceratitis capilata Wiedemann; attacks Persea persea. (See Fruit. 



