430 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 2 



850 types and cotypes, material of many other species, and thousands 

 of slide preparations. The loan of the important Coecid collection 

 of the late Wm. Maskell, of New Zealand, and the study of his types, 

 have cleared up several doubtful classifications and confirmed several 

 sj'nonyms. 



The following discussion of species and synonyms will necessarily 

 be brief and general and will include only the more common species 

 occurring in this country, with occasional references to their distribu- 

 tion in foreign countries. In a subsequent paper to be published by 

 the U. S. Bureau of Entomology, the writer will review the genus 

 Lecanium and discuss more fully the identity and synonymy of the 

 species. 



The writer retains the name Lecanium for some of those species 

 which have been classified under Eulecanium, because it is impossible 

 to eliminate Lecmiium from our Coecid nomenclature. At least one 

 species of the several included by Burmeister under his genus in the 

 original description in Handbuch der Entomologie, II Band, p. 69 

 (1835), must be retained as the type. All the species which Bur- 

 meister really placed under his genus have been removed to other 

 genera except persicce, which should be considered the type. Eule- 

 canium becomes a synonym of Lecanium. 



This paper is submitted for publication with the permission of Dr. 

 L. 0. Howard, Chief of Bureau. 



The Greenhouse Orthezia 



Orthezia insignis Dougl. 



Plate 19, Fig. 10 



Orthezia insignis Dougl., Ju. Quekett Micr. Club, p. 169 (1887). 

 Orthezia nacrea Buckton, Ind. Mus. Notes, III, 3, p. 103 (1894). 



In tropical regions this scale insect is generally known as the Lan- 

 tana bug, because of its predilection for that plant. It occurs only 

 in greenhouses in temperate regions, where it attacks principally 

 Lantana, Coleus, Citrus spp., Verbena, Chrysanthemum, Ipomoea, 

 Capsicum, etc., and is a difficult pest to eradicate. 



The adult female with her fully developed, fluted white ovisac and 

 marginal fringe of white waxy laminse is a beautiful insect. This 

 species is readily distinguished from all other species of the genus by 

 the large area of the dorsum which is without a waxy covering, reveal- 

 ing the dark green body color. 



All the species of this genus bear these white waxy laminae in char- 

 acteristic arrangement. 



