8378 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1919. 
PLATE 10. 
Huropean pine sawfly, Diprion simile Hartig. Order Hymenoptera. Upper, 
female; lower, male. Connecticut. This insect has been introduced into 
New England in recent years. From drawings by Miss Mary Carmody. 
Greatly enlarged. 
Puate 11. . 
Hymenoptera of various families. Drawn by Miss Mary Carmody. All greatly 
enlarged. 
1. Helcostizidea xanthognatha Rohwer, a parasite of wood-boring beetles. 
Montana. 
2. Lagarotis diprioni Rohwer, a parasite of sawfly larve. Found in Virginia 
and Ohio. 
3. Huura macgillivrayt Rohwer, a gall-making sawfly. Colorado. 
4. Dibrachys nigrocyaneus Norton, a parasite of sawfly cocoons. Widely dis- 
tributed in the United States. 
5. Spathius simillimus Ashmead, a parasite of wood-boring beetle larve. Found 
in West Virginia and New York. 
6. Allodorus tomoxiae Rohwer, a parasite of wood-boring beetle larvee. Virginia. 
PLATE 12. 
Moths (order Lepidoptera) from tropical America, of the family Cossids. The 
larve are all borers in wood. None of the moths on this plate have been 
figured before, and the specimens photographed are nearly all types of new 
species. All natural size. 
. Givira gabriel Dyar, Type. From Mexico. 
. Givira tigrata Schaus. Type. Costa Rica. 
Givira sandelphon Dyar. Type. Mexico. 
. Hypopta polybia Schaus.. Guatemala. 
. Lentagena tristavi Schaus. Type. Costa Rica. 
. Givira nudaria Schaus. Type. Venezuela. 
. Prionoxzystus duplex Schaus. Type. French Guiana. 
. Hemipecten gaudeator Schaus. Type. Costa Rica. 
. Cossus infantilis Schaus. Type. Costa Rica. 
. Costria corita Schaus. Type. Colombia. 
. Hemipecten cossuloides Schaus. British Guiana. 
. Hemipecten maruga Schaus. Dutch Guiana. 
. Psychogena miranda Schaus. Type. Costa Rica. 
. Hemipecten alfarae Schaus. Guatemala. 
. Toronia adolescens Dyar. Type. Panama. 
. Lentagena plagiata Schaus. Costa Rica. 
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PLATE 13. 
Miscellaneous insects, painted by R. E. Snodgrass. All natural size. 
1. Paraphyes lactus Fabr.. Panama. A “true” bug (order Hemiptera), allied 
to the squash bug. . 
2. Male dragon fly (order Odonata) from New Guinea. In the female of this 
species the hind wings are of the same color as the front ones. 
