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ECONOMIC ENTOMOLOGY 



curved slits made by ovipositor. Egg-laying occurs in August and 

 September; hatching the following May and June. 



Nymphs. — Covered along the centre of the back with numerous 

 forked or barbed spines or projections, a pair to each segment. General 

 feeders in or near orchards. 



Control. — Thorough cultivation of the orchard and destruction of 

 weedy borders in May and June. 



ORDER HEMIPTERA ( = FORMER SUB-ORDER HETEROPTERA) 



Chief Economic Families' (after Comstock) (Fig. loi) 



A. Antennae with 3-4 segments. 

 B. Beak 3-jointed. 



2 



Fig. ioi. — Fore wings of Heteroptera. i, Capsidae; 2, Pyrrhocoridas; 3, 

 Lygaeidae; 4, Coreidse; 5, Nabidse; 6, Acanthidas; 7, Typical wing showing parts: 

 m., membrane; cm., cuneus; e., embolium, co., corium; cl., clavus. (^Afler Comstock.) 



1 Other Hemiptera Families are of frequent occurrence, especially in or about 

 water. For convenience of reference the common families (old Hepteroptera) are 

 synopsized as follows: 



A. Shorl-horned Bugs.— Live in or near water; antennae short and concealed 

 beneath the head. 



Families: Corisidae, Notonectidae, Nepidae, Belostomatidae, Naucoridae, 

 and Galgulidae. 

 AA. Long-horned Bugs. — Antennae at least as long as the head. 



B. Semi-aquatic Bugs. — Saldidae, Veliidas, Hydrobatidaj, Limnobatidae. 

 BB. Land-bugs. 



C. Antennas 4-jointed. Emesidae, Reduviidas, Nabidae, Phymatidae, 

 Aradidae, Tingitidae, Acanthiidae, Capsidae, Pyrrhocoridae, 

 Lygaeidae, Berytidae, Coreidae. 

 CC. Antennae 5-jointed. Pentatomidae, Cydnidae, Corimclsenidae, 

 Scutelleridae. 



