46 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



13. Front wings with medio-cubital cross- vein present 14 



Front wings with medio-cubital cross-vein wanting 



Macremphytus p. 59 



14. Antennae with second segment elongate, about twice as long 



as broad Strongylogastroidea p. 61 



Antennae with second segment annular, not or hardly as long 

 as broad Dimorphopteryx p. 64 



Hemitaxonus Ashmead. 



H. dubitatus (Norton). Taxonus dubitatus Norton. 



Body black, with the following parts rufous : labrum, clypeus, 

 tegulae, collar broadly, lobes of mesonotum, sternum, pleurae, legs 

 except posterior tibiae and tarsi of female, entire abdomen in fe- 

 male, and abdominal segments one, two, and three in male; an- 

 tennae with third and fourth segments subequal; median fovea 

 deep and broad, frontal ridge unbroken, ocellar basin completely 

 enclosed. Length 10 mm. Larva feeds on Onoclea. 



Connecticut (E. N.) ; East Hartford, 9 August, 1904, New 

 Haven, 27 July, 1904 (P. L. B.) ; Cheshire, 8 July, 1904, New 

 Haven, 4 July, 1905, Thompson, 11 July, 1905 (H. L. V.) ; Bran- 

 ford, 3 July, 1905 (H. W. W.) ; Milldale, 21 May, 1906, New 

 Haven, 19 July, 1905, i June, 191 1 (B. H. W.) ; Torrington, 7 

 July, 1905 (W. E. B.) 



Epitaxonus MacGillivray. 



°E. albidopictus (Norton). Taxonus alhidopictus Norton. 

 Body black, with the following parts rufous : pleurae, sternum, 

 a band on abdpminal segments one to three, coxae, femora except 

 a ring on apex of posterior pair, and front and middle tibiae except 

 their basal fourth; with the following parts white: labrum, cly- 

 peus, collar, tegulae, basal fourth of all the tibiae, and basal half of 

 posterior metatarsus ; median fovea extending laterad to the eyes ; 

 frontal ridge unbroken, and ocellar basin completely enclosed. 

 Length 8 mm. Larva feeds on Onoclea sensibilis. 



Taxonus Hartig. 



Key to Species. 

 I. Abdomen entirely black; body black, with all the legs, except 

 the posterior tarsi, rufous; posterior tarsi fuscous; antennae 

 with third segment distinctly longer than fourth; frontal 



