Table 1 Cuticular hydrocarbon biosynthesis candidate genes in the mason wasp Odynerus spinipes.

Wasp gene ID	DGE between	Honey bee gene ID	%ID	Predicted function	Cell type
g3158	age classes	GB52590	54.7	fatty acid synthase	oenocytes (weak)
g6537	age classes	GB46038	85.9	fatty acid elongase	oenocytes + trophocytes
g7609	age classes	GB54399	58.7	fatty acid elongase	oenocytes (weak)
g7610	age classes	GB54397	55.2	fatty acid elongase	oenocytes
g7616	age classes / chemotypes	GB51247	82.9	fatty acid elongase	oenocytes
g7620	age classes	GB54401	84.0	fatty acid elongase	trophocytes
g7621	age classes	GB54302	67.7	fatty acid elongase	NA
g14708	age classes	NA^a	NA^a	fatty acid desaturase	oenocytes
g14712	chemotypes	GB42218	54.2	fatty acid desaturase	oenocytes
		GB51236	64.1		oenocytes
		GB51238	55.2		trophocytes
g2413	age classes	GB50627	64.2	fatty acyl-CoA reductase	oenocytes
g1571	age classes	GB52087	48.1	fatty acyl-CoA reductase	oenocytes + trophocytes
g7842	age classes	GB49380	72.3	fatty acyl-CoA reductase	oenocytes
g283	chemotypes	GB44756	36.9	rhythmically expressed gene 5 protein	NA
g2290	chemotypes	GB53695^b	34.3	fatty acid amide hydrolase	oenocytes + trophocytes (weak)
g3059	chemotypes	GB52820	62.4	parathyroid hormone-related peptide receptor-like protein	oenocytes (weak) + trophocytes (weak) + hexagonal cells (strong)

The table informs about 1) the mason wasp gene ID, 2) between which groups differential expression differences (DGE) were detected, 3) orthologous/homologous genes in the honey bee (Apis mellifera) genome, 4) the percentage of identical amino acids between the encoded sequences of the mason wasp and those of the honey bee, 5) the genes’ predicted functions, and 6) the expression of the candidate genes in honey bee fat body cells.
^aSince we found no 1:1 ortholog in the honey bee genome, we assessed the phylogenetically most closely related homolog, GB40659 (39.6%), for being involved in CHC biosynthesis.
^bOne of three co-orthologs in the honey bee, the other two being GB48850 (36.4%) and GB47832 (34.3%) (not studied by us).

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